Hustler Turf Z Users Manual

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Hustler Z
Super Z
Owner’s Manual

•••••••
Hustler Turf Equipment

•••••
P.O. Box 7000

•••
Hesston, Kansas

•
67062-2097

375527_0406

WARNING:
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects or other reproductive harm.
375527_0406

TABLE OF CONTENTS

1. General Information.............................................................Sect. 1

2. Safety Precautions................................................................Sect. 2

3. Operation..............................................................................Sect. 3

4. Maintenance .........................................................................Sect. 4

5. Adjustments .........................................................................Sect. 5

6. Troubleshooting ...................................................................Sect. 6

7. Storage .................................................................................Sect. 7

8. Product Literature ................................................................Sect. 8

9. Technical Specifications ......................................................Sect. 9

10. Index...................................................................................Sect. 10

375527_0406

GENERAL INFORMATION
To the new owner

This manual applies to the following equipment:
Hustler Z 23/52”, number 926881
Hustler Z 23/60”, number 926915
Hustler Z 23/60”, number 926923
Hustler Z 25/60”, number 926931
Hustler Z 25/60”, number 926949
Hustler Z 25/72”, number 926964
Hustler Z 24/60”, number 926667
Hustler Z 24/60”, number 926675
Hustler Z 27/60”, number 927111
Hustler Z 27/72”, number 927160
Super Z 24/52”, number 926725
Super Z 24/60”, number 926741
Super Z 24/72”, number 926766
Super Z 25/52”, number 926972
Super Z 25/60”, number 926980
Super Z 25/72”, number 926998
Super Z 27/60”, number 927038
Super Z 27/72”, number 927046
Super Z 28EFI/60”, number 927053
Super Z 28EFI/72”, number 927061
Super Z 26LC/60”, number 927558
Super Z 26LC/72”, number 927566
Super Z 27/60”RD, number 927467
Super Z 27/72”RD, number 927624
Super Z 25/60”RD, number 927673
Super Z 25/72”RD, number 927681
HZ23KAW54XR7STA, number 927723
HZ23KAW60XR7STA, number 927731
HZ24HON60XR7STA, number 927756
HZ25KAW60XR7STA, number 927772
HZ25KAW66XR7STA, number 927798
HZ27KOH60XR7STA, number 927806
HZ27KOH66XR7STA, number 927814
SZ24HON60XR7SSA, number 927848
SZ24HON66XR7SSA, number 927855
SZ25KAW54XR7SSA, number 927871
SZ25KAW60XR7SSA, number 927889
SZ25KAW66XR7SSA, number 927897
SZ25KAW72XR7SSA, number 927913
SZ26KAWL60XR7SSA, number 927921
SZ26KAWL66XR7SSA, number 927939
SZ26KAWL72XR7SSA, number 927947
SZ26KAWL60RDSSA, number 927954
SZ27KOH54XR7SSA, number 927970
SZ27KOH60XR7SSA, number 927988
SZ28KOHEFI60XR7SSA, number 928010
SZ28KOHEFI66XR7SSA, number 928028
SZ28KOHEFI72XR7SSA, number 928036
SZ30KOH60XR7SSA, number 928044
SZ30KOH66XR7SSA, number 928051
SZ30KOH72XR7SSA, number 928069
HZ24HON60XR7STA, number 927756
SZ24HON60XR7SSA, number 927848
SZ24HON66XR7SSA, number 927855

375527_0406

The purpose of this manual is to assist owners and
operators in maintaining and operating the Hustler Z tractor
and deck. Please read it carefully; information and
instructions furnished can help you achieve years of
dependable performance.
A separate Engine Manual is included with your owner’s
packet which contains additional engine information that
will not be repeated in this manual. You are urged to read it
before attempting any operation or repair of the engine.
The Quick Reference Decals, located under the right front
of the seat, the right front of the deck, and under the seat
pan, are designed to give the operator brief information
needed in the daily operation of the machine. These decals
are not intended to be used in place of this manual but
instead is to be used as an extension of this manual. These
decals should not be removed or obliterated. Replace these
decals if they become unreadable.
It is the owner’s responsibility to make certain that the
operator reads and understands this manual and the Quick
Reference Decals before operating this machine. It is also
the owner’s responsibility to make certain that the operator
is a qualified and physically able individual, properly
trained in the operation of this equipment. Local regulations
may restrict the age of the operator.

Using this manual
General operation, adjustment and maintenance guidance
is outlined for both the experienced and novice Hustler user.
Operating conditions vary considerably and cannot all be
addressed individually. Through experience, however,
operators should find no difficulty in developing good
operating skills suitable to most conditions.
Directions used in this manual, for example RIGHT or
LEFT, refer to directions when seated on tractor facing
forward, unless otherwise stated.
Photographs and illustrations used were current at the
time of printing, but subsequent production changes may
cause your machine to vary slightly in detail. Hustler Turf
Equipment reserves the right to redesign and change the
machine as deemed necessary, without notification. If a
change has been made to your machine which is not
reflected in this owner’s manual, or the parts manual, see
your Hustler dealer for current information and parts.

Warranty registration
The Delivery and Warranty Registration form must be
completed and signed to validate your warranty protection.
As the new equipment owner, you are expected to see that
the form is completed and forwarded to Hustler Turf
Equipment at time of delivery.
Be sure to register the tractor plus each attachment that
displays a model and serial identification number plate with
Hustler Turf Equipment.
IMPORTANT: Any unauthorized modification,
alteration, or use of non-approved attachments voids the
warranty and releases Hustler Turf Equipment from any
1-1

liability arising from subsequent use of this equipment.

Model and serial number
Tractor model and serial numbers are found on the serial
identification plate, located on the frame directly below and
to the left of the operator’s platform.
These numbers are required on the Warranty Registration
form. They will also assure you of the correct service parts
when replacement becomes necessary.

Parts and service
Use original Hustler replacement parts only. These parts
are available through your local Hustler dealer. To obtain
prompt, efficient service, always provide the following
information when ordering parts:
1. Correct part description
2. Correct model number.
3. Correct serial number.
All warranty repair and service must be handled through
an authorized Hustler dealer. Arrangements should be made
through your local service center.
For location of nearest dealer, or should you need further
assistance, contact:
Customer Service Department
Hustler Turf Equipment
P.O. Box 7000
Hesston, KS 67062
Telephone (620) 327-4911
FAX (620) 327-2458
Web site: www.hustlerturfequipment.com

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375527_0406

HUSTLER Z AND SUPER Z
TWO YEAR LIMITED WARRANTY FOR TRACTORS AND DECKS
(THREE YEAR LIMITED WARRANTY ON DECK
SPINDLE BEARING & DECK GAUGE FORK BEARING)
WHAT IS COVERED BY THIS WARRANTY
Hustler Turf Equipment, makes the following warranty to
the original purchaser only:
a. First and Second Year: Hustler Turf Equipment
Tractors and Power Units are warranted for two (2)
years from date of delivery on all materials and
workmanship.
If the Purchaser discovers within this warranty period a
defect in materials or workmanship:
● He must promptly notify Hustler Turf Equipment, or
an authorized dealer, in writing of the defect. In no
event shall such notification be received by Hustler
Turf Equipment, or an authorized dealer later than
twenty-five (25) months from date of delivery.
● Within a reasonable time after such notification,
Hustler Turf Equipment, will correct any defect in
material or workmanship on the Hustler Turf
Equipment, by repairing or replacing part(s) with
either new or used replacement parts.
● Such repair, including parts and labor shall be at the
expense of Hustler Turf Equipment, and,
b. Third Year: At the conclusion of the two year limited
warranty described in paragraph (a) above, there shall
be an additional one year limited warranty on deck
gauge fork bearings and deck spindle bearings only, no
labor.
If the Purchaser discovers within this warranty period a
defect in either of these bearings:
● He must promptly notify Hustler Turf Equipment, or
an authorized dealer, in writing of the defect. In no
event shall such notification be received by Hustler
Turf Equipment, or an authorized dealer later than
thirty-seven (37) months from date of delivery.
● Within a reasonable time after such notification,
Hustler Turf Equipment, will provide new
replacement bearing to install on the Hustler Turf
Equipment.
● The installation of the deck gauge fork bearing and
deck spindle bearing shall be at the expense of the
owner, and,
c. Rental Units (90 days): Within 90 days of date of
delivery Hustler Turf Equipment, provides a limited
warranty on all materials and workmanship for units
used for rental purposes.
If the Purchaser discovers within this warranty period a
defect in materials or workmanship:
● He must promptly notify Hustler Turf Equipment, or
an authorized dealer, in writing of the defect. In no
event shall such notification be received by Hustler
Turf Equipment, or an authorized dealer later than
120 days from date of delivery.
● Within a reasonable time after such notification,
Hustler Turf Equipment, will correct any defect in
375527_0406

material or workmanship on the Hustler Turf
Equipment, by repairing or replacing part(s) with
either new or used replacement parts.
● Such repair, including parts and labor shall be at the
expense of Hustler Turf Equipment, and,
d. Hustler Turf Equipment provides a limited warranty
for the entire length of ownership by the original
purchaser for the following items:
● Against all defects in the frame resulting from frame
breakage.
● Against all defects in the mowing deck which results
in the front edge of the deck being bent into the the
blades.
● Against hydraulic hose and fitting leaks.
If the original Purchaser discovers within this warranty
period such a defect:
● He must promptly notify Hustler Turf Equipment or
an authorized dealer, in writing of the defect. Such
notification must be received by Hustler Turf
Equipment or an authorized dealer during the period
when the equipment is owned by the original
purchaser.
● Hustler Turf Equipment will correct any defect in the
frame resulting in frame breakage by repairing or
replacing part(s) with new or used replacement parts.
● Hustler Turf Equipment will correct any defect in the
deck resulting in the front edge of the deck being
bent into the blades by repairing or replacing part(s)
with either new or used replacement parts.
● Such repair, including parts and labor, shall be at the
expense of Hustler Turf Equipment, and,
e. The engines are covered by a two (2) year limited
warranty, by the engine manufacturer, to the original
owner (commercial or residential) only except the
Caterpillar diesel engine which is covered by a three
(3) year limited warranty, and,
f. The battery is covered by a one (1) year limited
warranty to the original owner only.
WHO MUST PERFORM THE WARRANTY SERVICE
All warranty service will be performed by dealers authorized
by Hustler Turf Equipment. Service calls and/or
transportation expense of the product to and from the
authorized dealer, for warranty work, will be paid by the
owner of the product. For warranty service you can contact
an authorized dealer or write Hustler Turf Equipment, 200
South Ridge Road, Hesston, Kansas 67062, or call 1-620327-4911.
WHAT IS NOT COVERED BY THIS WARRANTY
Hustler Turf Equipment, does not warranty:
● Some product, components or parts not
manufactured by Hustler Turf Equipment
1-3

375527_0406

Repairs made by unauthorized persons
Damage caused by use of the Hustler Turf
Equipment for purposes other than those for which it
was designed
Damages caused by disasters such as fire, flood,
wind, and lightening
Damages caused by neglect, abuse, abnormal use,
improper or unreasonable use, accident, negligence
or misuse
Repairs or replacement resulting from the use of
unauthorized parts, accessories or attachments
Repairs or replacement as the result if any alterations
or modifications, in the determination of Hustler
Turf Equipment, which adversely affects the
operation, performance or durability of the
equipment.
Hustler Turf Equipment which has the serial number
removed or made illegible
Depreciation or damage caused by normal wear, lack
of reasonable and proper maintenance, failure to
follow the product’s owner’s manual operating,
maintenance and adjustment instructions or other
operational instructions provided by Hustler Turf
Equipment.
Normal maintenance parts and service including, but
not limited to, filters, fuel, lubricants, tune-up parts,
belts, blades, blade sharpening, bearings, brake or
steering adjustments
Repairs necessary due to improper fuel,
contaminates in the fuel system, or failure to
properly prepare the fuel system prior to any period
of non-use over three months

Cost of any substitute equipment, facilities, services
or downtime
● The claims of third parties including customers, and
injury to property
Some states do not allow the exclusion or limitation of
incidental or consequential damages, so the above limitation
or exclusion may not apply to you.

DISCLAIMER OF WARRANTY
The foregoing warranties are in lieu of all other
warranties, expressed or implied, including but not
limited to the implied warranties of merchantability and
fitness for a particular purpose. However, if the Hustler
Turf Equipment is purchased as a consumer product,
any implied warranty of merchantability or fitness for a
particular purpose is limited to the duration of this
limited warranty. Some states do not allow limitations
on how long an implied warranty lasts, so the above
limitation may not apply to you. This warranty gives
you specific legal rights, and you may also have other
rights which vary from state to state.

OWNER'S RESPONSIBILITY
You must maintain your Hustler Turf Equipment product
following the maintenance procedures described in your
owner's manual. Such routine maintenance, whether
performed by a dealer or by you, is at your expense.
This machine like any other powered equipment is
potentially dangerous unless properly operated. Any
operator must be cautious and keep safety in mind at all
times. Any operator, prior to using the Hustler Turf
Equipment, should thoroughly familiarize himself with the
owner's manual regarding operation and safety of the
machine, as well as all safety warnings on the machine
itself.

LIMITATION OF REMEDIES
In no case shall Hustler Turf Equipment, be liable for any
special, incidental, or consequential damages based upon
breach of warranty, breach of contract, negligence, strict
liability in tort, or any other legal theory.
Such damages include, but are not limited to:
● Loss of profits
● Loss of savings or revenue
● Loss of use of Hustler Turf Equipment or any
associated equipment
● Cost of capital

WARRANTY REGISTRATION
1. The Warranty registration form MUST be completed
and signed by the authorized dealer and original
purchaser.
2. For validation, the completed Warranty registration
form MUST be forwarded to Hustler Turf Equipment,
within ten (10) days following date of purchase.
3. The date of purchase constitutes delivery.

●
●

●

TIME LIMIT
Any action for breach of warranty must be commenced
within twenty-five (25) months following delivery of the
goods in a non-rental application. Any action for breach of
warranty must be commenced within 120 days following
delivery of the goods in a rental application.
NO OTHER WARRANTIES
Unless modified in writing, signed by both parties, and
approved by the President of Hustler Turf Equipment, this
agreement is understood to be the complete and exclusive
agreement between the parties, superseding all prior
agreements, oral or written, and all other communications
between the parties relating to the subject matter of this
agreement. No employee of Hustler Turf Equipment, or any
other party is authorized to make any warranty in addition to
those made in this agreement.
ALLOCATION OF RISKS
This agreement allocates the risks of product failure
between Hustler Turf Equipment, and the purchaser. This
allocation is recognized by both parties and is reflected in
the price of the goods.

1-4

375527_0406

SAFETY PRECAUTIONS
ignition key when leaving operator’s seat.

▲ If you lose steering control while operating the

machine, place the steering control levers in the
park brake position immediately. Inspect the
machine and involve your Hustler dealer to resolve
the problem before continuing to operate.
▲ Always remain seated while operating machine.
▲ Always keep safety shields and covers in place, except
for servicing.
▲ Always maintain a safe distance from people and pets
when mowing. Always stop machine if someone
enters the area.
▲ Always operate machine in daylight or with adequate
working lights.
▲ Follow daily and weekly checklists, making sure hoses
are tightly secured and bolts are tightened.
▲ Always observe traffic laws while driving machine
from one location to another. Watch for traffic when
operating near or crossing roadways.
▲ Always keep engine and machine clean, removing
accumulated dirt, trash and other material from
machine. Clean up oil or fuel spillage. Allow
machine to cool before storing.
▲ Inspect area to be mowed for hazards such as rocks,
metal objects and other debris which may be thrown or
entangled by mower blades. Remove these objects
before mowing.
▲ Always be alert for hazards such as rocks, metal
objects and other debris which may be thrown or
entangled by mower blades. Watch out for holes or
deep depressions.
▲ Always wear adequate eye protection when servicing
the hydraulic system, battery, and cooling system, or
when grinding mower blades and removing
accumulated debris.
▲ Always wear adequate ear protection, such as
earplugs, when operating this equipment as prolonged
exposure to uncomfortable or loud noises can cause
impairment or loss of hearing. Do not wear radios or
music headphones while operating the machinery.
Safe operation requires your full attention.
▲ Always be aware of what is behind the machine before
backing up. Do not mow in reverse unless absolutely
necessary. Always look down and behind before and
while backing up.
▲ Always inspect machine for damage after striking a
foreign object. If damage is found, repair machine
immediately. Be sure to disengage deck clutch, place
steering control levers in the park brake position, stop
tractor engine and remove ignition switch key before
leaving operator’s seat to inspect damage.
▲ Always buckle seat belt, if provided with one, before
starting tractor.
▲ Never push forward suddenly on the steering control
levers while the machine is in rearward motion
because the machine may tip backward.
▲ When moving in reverse, push forward slowly on

This safety alert symbol is used to call attention to a
message intended to provide a reasonable degree of
PERSONAL SAFETY for operators and other persons
during the normal operation and servicing of this equipment.
DANGER – denotes immediate hazards which WILL
result in severe personal injury or death.
WARNING - denotes a hazard or unsafe practice which
COULD result in severe personal injury or death.
All operators should read this manual, or be instructed
about safe operating and maintenance procedures. This is
the owner’s responsibility.
Improper use or maintenance by the operator or
owner can result in injury. To reduce the potential for
injury, comply with these safety instructions and always
pay attention to the safety alert ▲ symbol, which means
DANGER or WARNING - “personal safety
instructions.” Failure to comply with the instructions
may result in personal injury or death.
Incorrect usage of this machine may result in severe
injury. Personnel operating and maintain it should be
trained in the proper use and should read the manuals
completely and thoroughly before attempting to set-up,
operate, adjust, or service this machine.
The Quick Reference Decals, located under the right front
of the seat, the right front of the deck, and under the seat
pan, are designed to give the operator brief information
needed in the daily operation of the machine. These decals
are not intended to be used in place of this manual but
instead is to be used as an extension of this manual. These
decals should not be removed or obliterated. Replace these
decals if they become unreadable.
It is the owner’s responsibility to make certain that the
operator reads and understands this manual and the Quick
Reference Decals before operating this machine. It is also
the owner’s responsibility to make certain that the operator
is a qualified and physically able individual, properly
trained in the operation of this equipment. Local regulations
may restrict the age of the operator.
The owner should also ensure that the operator/mechanic
know that they are responsible for their own safety as well
as the safety of other persons within the vicinity.
Remember, the operator is responsible for accidents or
hazards occurring to other people or their property.
▲ Never leave a running machine unattended. Always
disengage deck clutch, place steering control levers in
park brake position, stop tractor engine, and remove
375527_0406

2-1

lever and avoid sudden movement. Rapid movement
of the control levers in either direction could result in a
reaction of the tractor that can cause serious injury.
▲ Never operate a poorly maintained machine.
▲ Never carry passengers.
▲ Never attempt high speed maneuvering, especially in
crowded or congested areas.
▲ Never allow persons to operate this machine without
proper instruction or allow children to operate
machine. Allow only responsible adults who are
familiar with these instructions to operate this
machine.
▲ Never put hands or feet under any part of the machine
while it is running.
▲ Never leave machine unattended with ignition key in
switch, especially with children present.
▲ Never refuel tractor while engine is running; never
refuel near an open flame or near devices which can
create a spark. Refuel outdoors preferably, or in well
ventilated areas.
▲ Never attempt to start engine when there is a strong
odor of gasoline fumes present. Locate and correct
cause.
▲ Never run the engine in an enclosed area unless
exhaust is vented to the outside. Exhaust gases contain
carbon monoxide which is odorless and deadly poison.
▲ Never attempt to make any adjustments or repairs to
the tractor drive system, mower deck or any
attachment while the tractor engine is running or deck
clutch is engaged. Repairs or maintenance requiring
engine power should be performed by trained
personnel only.
▲ Never work under the machine or attachment unless it
is safely supported with stands, blocks or a hoist.
▲ Do not touch hot parts of machine.
▲ Never direct discharge of material from mower deck
towards bystanders. Do not operate the mower
without either the discharge chute or the entire grass
collection system in place.
▲ Always disengage the blades and wait for them to stop
before crossing gravel drives, walks or roads.
▲ Always keep clear of the mower blades and
attachments during their operation.
▲ Turn off blades when not mowing.
▲ Slow down before turning.
▲ Stop the engine before removing the grass catcher or
unclogging the discharge chute. Never clear the
discharge chute with the engine running. Turn off the
engine and be sure the blades have stopped before
cleaning. Use a stick to clear a plugged discharge area.
Never use your hand!
▲ Do not operate the machine while under the influence
of alcohol or drugs.
▲ Exercise caution when loading or unloading the
machine onto a trailer or truck.
▲ Always wear safety goggles or safety glasses with side
shields when operating the mower.
▲ Data indicates that operators, age 60 years and above,
are involved in a large percentage of riding mowerrelated injuries. These operators should evaluate their

ability to operate the mower safely enough to protect
themselves and others from serious injury.
▲ Always disengage the blades and wait for them to stop
before crossing gravel drives, walks or roads.
▲ Always keep clear of the mower blades and
attachments during their operation.
▲ Never make sudden starts, stops, turns, or reverse
direction, especially when maneuvering on slopes.
The steering is designed for sensitive response. Rapid
movement of the steering lever in either direction
could result in a reaction of the tractor that can cause
serious injury.
▲ If any attachment or additional weight is mounted on
the rear of the unit, any rapid movement of the control
levers in either direction could result in a reaction of
the tractor that can cause serious injury.
▲ Use extreme caution when operating on slopes.
• Be extremely careful changing directions on a slope.
Slow down.
• Do not operate where the machine could slip or tip.
▲ Do not remove or modify the stabilizer wheels.
▲ Remove obstacles such as rocks, tree limbs, etc.
▲ Keep all movement on slopes slow and gradual. Do
not make sudden changes in speed or direction.
▲ Avoid starting and stopping on a slope. If tires lose
traction, disengage the blades and proceed slowly
straight down the slope.
▲ Do not turn on slopes unless necessary, and then, turn
slowly and gradually downhill, if possible.
▲ Do not mow near drop-offs, ditches, or embankments.
The machine could suddenly turn over if a wheel goes
over the edge of a cliff or ditch, or if an edge caves in.
▲ Do not mow on wet grass. Reduced traction could
cause sliding.
▲ Do not try to stabilize the machine by putting your foot
on the ground.
▲ Watch for holes, ruts or bumps. Uneven terrain could
overturn the machine. Tall grass can hide obstacles.
▲ Never leave machine unattended with ignition key in
switch, especially with children present.
▲ Keep children out of the mowing area and under the
watchful care of another responsible adult.
▲ Be alert and turn the machine off if children enter the
area.
▲ Before and while backing, look behind and down for
small children.
▲ Never carry children, even with the blades off. They
may fall off and be seriously injured or interfere with
safe machine operation.
▲ Never allow children to operate the machine.
▲ Use care when approaching blind corners, shrubs,
trees, the end of a fence or other objects that may
obscure vision.
▲ Use extra caution when handling gasoline and other
fuels. They are flammable and vapors are explosive.
▲ Keep nuts and bolts tight, especially the blade
attachment bolts. Keep equipment in good condition.
▲ Never tamper with safety devices. Check their proper
operation regularly.
▲ Grass collection system components are subject to
2-2

375527_0406

wear, damage and deterioration, which could expose
moving parts or allow objects to be thrown.
Frequently check components and replace with
manufacturer’s recommended parts, when necessary.
▲ Mower blades are sharp and can cut. Wrap the
blade(s) or wear gloves and use extra caution when
servicing them.
▲ Use only genuine Hustler replacement parts to ensure
that original standards are maintained.
▲ The Hustler mower is capable of operating
horizontally (traverse) on moderately steep slopes.
When operating on slopes up to 15 degrees, be aware
of any conditions that may cause the tractor drive tires
to lose traction resulting in a possible loss of control of
the machine. An operator should not operate on a
slope until he is thoroughly familiar with the
equipment.
Do not operate the machine on slopes greater than
15 degrees.
It is strongly recommended that the operator drive
the machine off of the slope, using extreme caution, if
any sign of loss of traction is detected. Wait until the
condition that caused the problem is resolved before
attempting to operate on the slope again.
Terrain conditions can affect traction resulting in
possible loss of control of the machine. Some of the
conditions to be aware of are:
1. Wet terrain
2. Depressions in the ground; i.e. holes, ruts,
washouts
3. Mounds of dirt
4. Soil type; i.e. sand, loose dirt, gravel, clay
5. Grass type, density, and height
6. Extremely dry conditions of grass
7. Tire pressure
The attachments mounted to the tractor will also
affect the way it handles on a slope. Be aware that
each attachment’s characteristics vary.

375527_0406

Another consideration to safe mowing on slopes is
to be aware of what is located at the bottom of the
slope. Extreme caution should be used when there is a
hazard located at the bottom of the slope. Some
examples are:
1. Water; i.e. lake, river
2. Cliffs, retaining walls
3. Roads, highways
4. Buildings
5. Rocks
These are just a few examples of situations when
caution must be used when operating on a slope.
There are many other possibilities too numerous to
mention. Just remember to always exercise extreme
caution when operating on any slope.
▲ When operating on terrain where there is a potential
for a roll over, it is important that a ROPS be
installed on the equipment. The ROPS will
minimize chance of injury or death from rollover.
Seat belt must be fastened while operating a
machine equipped with ROPS. Failure to use seat
belt will result in serious injury in the event of a roll
over.
▲ Clean flammable material from machine. Prevent
fires by keeping engine compartment, battery,
hydraulic lines, fuel line, fuel tank and operator’s
station clean of accumulated trash, grass clippings,
and other debris. Always clean up spilled fuel and
oil.
▲ Specific safety warning decals are located on the
equipment near the immediate areas of potential
hazards. These decals should not be removed or
obliterated. Replace them if they become non-readable.

2-3

The following illustrations show the various safety decals that are located on the machine. A brief explanation is shown to
help the operator understand the meanings of these decals.
Do not smoke while refueling.
Do not fill tank with engine running,
or while the engine is hot.
Allow engine to cool before storing
machine inside a building.
Store away from open flame or spark
if there is fuel in tank.
Clean up any gasoline spills.
Do not refuel while in enclosed trailer
or other enclosed areas

Read Owner’s Manual and Quick
Reference Decal before attempting to
operate this machine.

Avoid skin contact with battery acid.
Always wear eye protection when
checking the battery, acid can cause
serious injury to skin and eyes. If
contact occurs, flush area with clean
water and call physician immediately.
Acid will also damage clothing.
Do not allow open flame near the
battery when charging.
Hydrogen gas forms inside the
battery. This gas is both toxic and
flammable and may cause an
explosion if exposed to flame.
Always remove the negative ground
first and replace it last.
Do not overfill battery.
Electrolyte may overflow and
damage paint, wiring or structure.
When cleaning the battery, use soap
and water. Be careful not to get
soap and water into the battery. Use
soda mixed in water to clean
corrosion off the terminals.

Hydraulic fluid escaping under
pressure can penetrate skin.
Hydraulic fluid may also cause
infection in a minor cut or opening in
the skin; if exposed to hydraulic fluid,
see a doctor at once.
Before applying pressure to hydraulic
system, make sure all connections
are tight and all hoses and lines are
in good condition.
Relieve all pressure in the system
before disconnecting or working on
hydraulic lines.
To find a leak under pressure, use a
piece of cardboard or wood – never
use your hands.
To relieve all pressure in system,
turn engine off and lower attachment.

Do not remove or modify stabilizer
wheels or injury can result.
Never stop suddenly while backing
down slopes. This action may result
in a reaction of the tractor that can
cause serious physical injury.

Never operate the mower deck with
side deflector removed or in raised
position, except when the grass
catcher attachment is being used.

Keep shields or covers in place
while machine is in operation.
Keep hands away from rotating
pulleys and belts.

Whirling blades! Keep hands and
feet away.
Beware of thrown objects.

Hot surface!

2-4

375527_0406

SLOPE GUIDE
Use this diagram when determining the degree of slope to be mowed.

E (15o)
Slope Guide Lines
D (10o)

Line B

C (5o)

Line A

1.
2.
3.
4.

Hold this sheet of paper in front of you. Make sure that line A is horizontal.
Align line B with a verticle surface such as a pole, tree or building.
Fold the paper along the slope guide lines (C, D or E).
Align the closest slope guide line with the ground slope. This will give you a close estimation of the
ground slope to be mowed.

Figure 2-1
375527_0406

2-5

OPERATION
12

Hustler Z Controls

17
16

3
17

6
8

7
19
20

18
4 2

11
15

13
1.
2.
3.
4.
5.

Ignition Switch
Throttle lever
Control levers
Deck clutch switch
Deck lift pedal

6.
7.
8.
9.
10.

Hour meter
Oil Pressure light
Fuel tanks
Hydraulic reservoir
Battery

11.
12.
13.
14.
15.

Deck adjusting rod
Anti-scalp wheels
Discharge chute
Left deck cover
Right deck cover

16.
17.
18.
19.

Deck height indicator
Brake switch
Choke lever
Temperature warning light
Check Engine light (927053 & 927061)
20. Charging system warning light

Figure 3-1
Deck clutch switch

Deck clutch
switch

Choke

Ignition
switch

Choke
Throttle

Oil pressure light
Throttle
Oil pressure light

Temperature warning light

Ignition
switch

Charging system warning light

Figure 3-2a

Figure 3-2c
IMPORTANT: When access is required under the seat
platform make certain to place the control arms in the
park brake position and pivot the arm rests upward
before placing the seat platform in the full forward
position to prevent arm rest damage.

Deck clutch
switch

Kohler EFI
units only

Kawasaki liquid
cooled units only

Ignition
switch

Controls
For general location of the controls described in this
section, refer to Figure 3-1.
1. Ignition switch (Fig. 3-2a - 3-2b - 3-2c) – a three
position switch: off, run, and start. With key inserted,
rotate it clockwise to START position; release key
when engine starts, and switch will automatically
return to the RUN position.
2. Throttle control (Fig. 3-2a - 3-2b - 3-2c) — a cable is
linked to engine throttle for controlling engine speed.

Throttle
Check
engine
light

Oil pressure
light

Figure 3-2b
375527_0406

3-1

Deck lift
pedal

Control
lever

Figure 3-3
Figure 3-5

Control lever in park brake position

Hour
meter

Figure 3-4
Move lever forward to increase engine rpm, move
lever rearward to decrease engine rpm.
3. Choke control (Fig. 3-2a) – a cable is linked to
manually operate the engine choke. When the lever is
in the down position, the choke is in the off (run)
position. When the lever is pulled up, the choke is in
the on (start) position. Do not operate the machine in
the on (start) position. NOTE: The choke control is
not used on Models 927053, 927061, 928010, 928028
& 928036.
4. Control levers (Fig. 3-3) — these levers control the
tractor’s speed, direction, neutral lock, and park brake.
Levers are used to steer, accelerate, decelerate and
change direction. When the control levers are in the
park brake position (3-4) the tractor will not move
when the engine is on and drive pumps are operating.

Figure 3-6

Instrumentation
7. Electronic hour meter (Fig. 3-6) — registers 1/10
hour increments up to 9,999.9 total hours. Connected
to the ignition switch, the meter records the
accumulative time while the ignition key is switched to
the RUN position and the operator is on the seat.
8. Oil pressure light and alarm (Fig. 3-2a - 3-2b) —
this light comes on when the ignition switch is placed
in the RUN position and stays lit until the engine is
running and a safe oil pressure is developed. If light
comes on during operation, shut engine off
immediately and locate and correct the problem.
Models 927558, 927566, 927921, 927939, 927947 &
927954 only — an audible alarm will sound when the
engine oil pressure drops below normal operating
pressure.
9. Check engine light (Fig. 3-2b) — refer to Kohler
engine owner’s manual for details.
10. Temperature warning light and alarm (Fig. 3-2c) —
this light will come on when the engine coolant
temperature reaches an unsafe level during operation.
If light comes on, shut down the machine as soon as
possible. Never risk continued operation when light
remains on; high temperatures can severely damage
the engine.
Never risk continued opeation when light remains on:
high temperatures can severely damage the engine.

WARNING: The parking brake is not designed
to hold the tractor on steep slopes.
5. Deck clutch switch (Fig. 3-2a - 3-2b) — this switch
engages the deck. Pull the switch up to engage and
push switch down to disengage the clutch.
IMPORTANT: Never engage clutch with engine
running at high rpm or when the deck is under load.
Clutch, belts or deck could be damaged.
6. Deck lift pedal (Fig. 3-5) — the deck lift pedal is used
to raise or lower the deck. Push on the pedal to raise
the deck and then place the deck height locking pin
into the desired cutting height hole.
Push the deck lift pedal to raise the deck when going
over obstructions.
3-2

375527_0406

Models 927558, 927566, 927921, 927939, 927947 &
927954 only — an audible alarm will sound when the
engine coolant is close to overheating.

Safety interlock system
The tractor is equipped with a safety interlock system
consisting of the park brake switches, seat switch, and deck
clutch switch.
Check tractor safety start interlock system daily, prior to
operation. This system is an important tractor safety feature.
It should be repaired immediately if it malfunctions. The
machine incorporates a separate seat switch which will stop
the tractor engine when the operator is unseated for any
reason while the tractor is operating. This is a safety feature
designed to prevent runaway or accidental entanglement. To
inspect the system:
1. The operator must be on the seat when testing the seat
switch.
2. Set both control levers in the park brake position.
3. Start the engine and allow it to warm up to operating
temperature.
4. With the deck clutch switch down and the control
levers in the park brake position, slowly raise off of the
seat. The engine should continue to run.
5. With the deck clutch switch up and/or the control
levers in the neutral position, slowly raise off of the
seat. The engine should stop.
6. If the engine fails to stop when the deck clutch switch
is up or one or both of the control levers is up and the
operator is off the seat, check the function of the seat
switch. If the seat switch is not operating properly (is
not opening or closing) and if the cause can not be
determined, replace the seat switch.
If the problem can not be located, contact your Hustler
Dealer.

Bypass valve
Hustler Z shown
Figure 3-7

Bypass valve

Super Z shown
Figure 3-8
Hustler Dealer in your area.
1. Before starting tractor each day, perform daily preoperation checking.
2. Make sure the control levers are in the park brake
position and deck clutch switch is disengaged.
3. Use choke when engine is cold, or if warm engine fails
to start within 5 seconds of cranking. Avoid flooding
and operate engine without choking as soon as
possible.
NOTE: There is no choke control on Models 927053,
927061, 928010, 928028 & 928036 proceed to Step 4.
4. Set throttle at approximately 1/2 open position.
5. Insert key in ignition switch and rotate full clockwise
to engage starting motor. Release key when engine
starts.
IMPORTANT: The engine starter should not be
operated for periods longer than 30 seconds at a time. An
interval of at least two minutes should be allowed between
such cranking periods to protect the starter from overheating
and burn-out.
6. Perform test to make sure safety start interlock system
is operating properly. Refer to Safety start interlock
system section.
7. As soon as engine begins to run, check to make certain
the oil warning light is off. If not, stop engine

WARNING: The safety interlock system should
always function per steps 4 and 5. If it does not
function properly, it should be corrected
immediately. Do not operate machine without
properly functioning seat safety switch.

Engine starting
The Hustler Z safety start interlock system is also
designed to protect the operator and others from accidental
injury due to unintentional engine starting. The engine
starting motor will not engage until:
A. Control levers are in the park brake position.
B. Deck clutch switch is in the down (OFF) position.
WARNING: The safety interlock system must
not be disconnected or bypassed.
NOTE: The operator’s seat is equipped with a separate
safety switch. If for any reason the operator should become
unseated when the brake switches are disengaged or the
deck clutch switch is engaged the engine will stop.
The following steps are the correct procedures for
starting the engine. If difficulty is encountered, contact the
375527_0406

3-3

FRONT OF TRACTOR FACES THIS DIRECTION

FORWARD TRAVEL

PIVOT TURN

FORWARD TRAVEL
RIGHT TURN

REVERSE TRAVEL
RIGHT TURN

REVERSE TRAVEL

N = Neutral Position
Direction of arrows indicate direction of tractor movement.
Figure 3-9
immediately and check for the cause.
8. Allow the engine to idle a few minutes before
advancing the throttle and/or engaging the deck clutch.
9. Before stopping the engine, place the control levers in
the park brake position, disengage the deck clutch, and
throttle back to low idle for a couple of minutes; then
rotate ignition key counter-clockwise to the OFF
position. Remove the key from switch before leaving
the tractor.

After starting engine, engage the control levers and steer
as follows:
To go forward, push control levers forward an equal
distance (Fig. 3-9).
To go in reverse, pull control levers rearward an equal
distance (Fig. 3-9).
To turn left, move the right control lever farther forward
from neutral than the left control lever.(Fig. 3-9)
To turn right, move the left control lever farther forward
from neutral than the right control lever. (Fig. 3-9)
To pivot turn, move one control lever forward and the
other control lever back of neutral. This will allow the drive
wheels to counter-rotate. (Fig. 3-9)
To stop or decrease speed, move control levers to
neutral. When going forward pull back gently on control
levers. When going in reverse push forward gently on
control levers.

WARNING: Never leave the machine
unattended with key in ignition switch.

Moving tractor with stalled engine
If it becomes necessary to move the tractor when the
engine is inoperative, the hydraulic pumps are equipped with
bypass valves. Before moving the unit, turn bypass valves
counter clockwise one-half to one revolution. The valve
stems on each hydraulic pump are located near the top and
are identified as a hex stud. The valve is located per Figure
3-7 on the Hustler Z or Figure 3-8 on the Super Z.
Do not tow the machine. Move it by hand or use a winch
to load on a trailer for transporting.
When transporting on another vehicle, the tractor should
be facing forward and it must be secured.
IMPORTANT: Always make certain the two bypass
valves are returned to their operating position before running
the tractor following repairs.

DANGER: When moving in the rearward
direction push forward gently on control levers
and avoid sudden movement. Any sudden
movement could cause the front of the mower to
come off of the ground resulting in possible loss
of control.
WARNING: Never stop suddenly while backing
down slopes. This action may result in a
reaction of the tractor that can cause serious
physical injury.

Driving the tractor

To increase speed, increase control lever’s distance from
neutral. The farther forward control levers are from neutral,
the faster tractor will travel forward. The farther back
control levers are from neutral, the faster tractor will go in
reverse.

DANGER: Never make sudden stops or reverse
direction, especially when going down a slope.
The steering is designed for sensitive response.
Rapid movement of the control levers in either
direction could result in a reaction of the tractor
that can cause serious injury.
3-4

375527_0406

Operating suggestions
DANGER: Prior to operating the tractor the
operator should be thoroughly familiar with the
proper use and operation of the equipment,
should read the manual completely and
thoroughly, and should have attempted slow
moving maneuvers to become familiar with the
operation of the equipment before attempting
normal speed operation. An inexperienced
operator should not mow on slopes or on uneven
terrain.
WARNING: If you lose steering control while
operating the machine, place the steering
control levers in the park brake position
immediately. Inspect the machine and involve
your Hustler dealer to resolve the problem
before continuing to operate.

Side discharge chute
Figure 3-10
Always wear long pants, safety glasses and
safety shoes when operating this machine.

WARNING: The unit’s control levers are very
responsive: Easy does it! For smooth operation,
move lever slowly, avoid sudden movement.
Skill and ease of operation come with practice
and experience.

Keep blades sharp. Many professional mowing
companies have additional sets of blades and change blades
twice a day: once in the morning and again at noon. Many
problems with incorrect cutting patterns are due to dull
blades or blades which have been sharpened incorrectly.
Information on sharpening blades is listed in this manual’s
maintenance section. In addition, most communities have
individuals or companies which specialize in sharpening
mower blades. Blade sharpness should be checked daily.
Use high blade speed. Your Hustler Z is designed to
operate at full throttle. The throttle setting directly controls
blade speed. The highest blade speed generally gives best
cut.
Direct grass discharge to right, away from unmown
area. Select a mowing pattern that directs grass discharge
towards the outside, not towards center, of mowing area.
Generally, this means using a pattern utilizing left turns
because side discharge (Fig. 3-10) is to right. In any case,
avoid throwing grass discharge onto unmowed area because
grass is then mowed “twice”. Mowing twice puts an
unnecessary load on the unit and reduces mowing efficiency.
When mowing a lawn for the first time cut grass
slightly longer than normal to avoid scalping uneven terrain.
When possible, it is best to use the cutting height that was
used in the past. When cutting grass taller than six inches,
you may want to mow the lawn twice to achieve a better
quality of cut.
During normal mowing cut only about 1/3 of the grass
blade. Cutting more than that is not recommended unless
grass is sparse or it is the end of the mowing season.
Alternate mowing direction to keep the grass growing
straight and better dispersion of the clippings.
Remember, grass grows at different rates at different
time of the year. Mow more often in the early spring to
maintain the same cutting height. As the growth rate slows
in mid summer, mow less frequently. If you cannot mow at
a regular interval, mow at a high cutting height; then mow

WARNING: Children or bystanders may be
injured if they move or attempt to operate the
tractor while it is unattended. Always disengage
deck clutch, place control levers in park brake
position, stop tractor engine, and remove ignition
key when leaving operator’s seat.
Inexperienced operators may have a tendency to
oversteer and lose control. Slow-moving practice
maneuvers are recommended to become familiar with these
characteristics before attempting normal speed operation.
WARNING: Sharp depressions or raised
obstacles (such as gutters or curbs) should not be
directly approached at high speed in an attempt
to “jump” them as the operator could be thrown
from the equipment. Approach at a slow speed
and angle one drive wheel at the obstruction.
Continue at an angle until the wheel clears and
then pivot the opposite wheel around.
When turning on soft wet turf, keep both wheels rolling
either forward or backward. Pivoting on one stopped wheel
can damage turf. This is especially important when
mowing.
Tractor performance is maximum when the throttle is set
at full rpm. This gives maximum power to the drive wheels
and deck when needed. Use the control levers to control
ground speed rather than engine rpm.
WARNING: Do not operate the equipment
while wearing sandals, tennis shoes, sneakers,
shorts or any type of loose fitting clothing.
375527_0406

3-5

Mower deck operation

again two days later at a lower cutting height.
Raise the cutting height of the mower if the cutting
width of the mower is wider than the previous mower. This
ensures that uneven turf is not cut too short.
Raise the cutting height of the mower if the grass if
slightly taller than normal or if it contains a high degree of
moisture. Then mow it again with the cutting height set
lower.
If the machine’s forward motion must be stopped while
mowing, a clump of grass clippings may drop onto your
lawn. To avoid this, move onto a previously cut area with
the blades engaged.

DANGER: Never attempt to make any
adjustments to the mower deck while the engine
is running or with the deck drive clutch engaged.
Mower blades cannot be seen and are located
very close to deck housing. Fingers and toes can
be cut off instantly.
With the engine running, engage the deck clutch switch
(Fig. 3-2) and advance engine throttle to full rpm.
NOTE: Engaging the deck clutch at high engine rpm or
when under heavy load (in tall grass for example) can cause
belts and/or electric clutch to slip, resulting in premature
wear or possible damage.

WARNING: Never direct discharge of material
from mower deck towards bystanders.
WARNING: Never operate the mower deck
with discharge chute removed or in raised
position.
WARNING: Always check area to be mown for
rocks and other debris before mowing.

3-6

375527_0406

MAINTENANCE
MAINTENANCE LOCATOR
CHART

12 11

16
17
2b
10
4
1a
6
1b
1a. Engine Oil Fill & Dipstick
(Kawasaki & Honda)
1b. Engine Oil Fill & Dipstick (Kohler)
2a. Fuel Filter
2b. Fuel Filter (927053 & 927061)
2c. Fuel Filter (Kawasaki liquid cooled)
3. Engine Air Cleaner
4. Engine Oil Drain Plug
5. Battery
6. Fuel Tanks
7. Hydraulic Oil Reservoir
8. Hydraulic Oil Filter
9. Gauge Wheel Bearing Zerks (2)
10. Engine Oil Filter
11. Deck Height Pivot Zerks (4)
12. Park Brake Switch
13. Drive Tire
14. Pump Idler Zerk (1)
15. Pump Belt
16. Hydraulic Oil Heat Exchanger
17. Engine Coolant Fill
(Kawasaki liquid cooled)

2a
2c

13
8

Viewed from bottom of tractor

Figure 4-1a

375527_0406

4-1

MAINTENANCE LOCATOR
CHART

Side discharge deck
4
2

5
3

4
4

1
2
5

1.
2.
3.
4.
5.

Deck Idler Zerk (1)
Deck Pusher Arm Zerks (2)
Deck Belt
Spindle Housing Zerk (3)
Blades

Rear discharge deck
4

5
3

2
5

Figure 4-1b

375527_0406

SERVICE AT
INTERVALS INDICATED
Verify safety start interlock system
Check coolant level
Visually inspect unit for loose
hardware and/or damaged parts
Visually inspect tires
Check oil level, engine (1)
Clean air intake screen (5)
Clean oil heat exchanger (5)
Check radiator screen (5)
Check fuel level
Blades - sharpen & securely fastened
Discharge chute - securely in place &
in lowest position
Clean engine and pump compartment
Replace air cleaner paper element (5)
Grease deck idler
Grease deck pusher arms
Grease pump idler
Grease deck height pivots
Grease gauge wheel bearings
Change engine oil & filter (1) (4)
Clean cylinder and head fins (a)
Check battery connections
Check tire pressure with a gauge
Check hydraulic oil level
Clean engine exterior (a)
Clean and regap spark plugs (a)
Check pump and deck belt tension
& condition (6)
Check fuel and hydraulic lines (7)
Check fuel valve and grommet (7)
Tighten lug nuts on wheels (2)
Change fuel filter
Clean or replace hydraulic fill cap
Change hydraulic filter and oil (3)
Grease deck spindle housings
Replace spark plugs
Drain & replace engine coolant
Clean radiator core (9)

WEEKLY MONTHLY ANNUALLY OR
OR 50
OR 100
500
HOURS
HOURS
HOURS

DANGER: Before working on or under the
deck, make certain engine cannot be accidentally
started. Shut engine off and remove ignition
switch key for maximum safety. Repairs or
maintenance requiring engine power should be
performed by trained personnel only.

Daily
Daily
Daily
Daily
Daily or every 4 hrs.
Daily or every 4 hrs.
Daily or every 4 hrs.
Daily or every 4 hrs.
Daily
Daily

DANGER: Exercise caution when working
under the deck as the mower blades are
extremely sharp. Wearing gloves is advisable
when working around or with the blades.

Daily
Daily
As needed

WARNING: Except when changing or checking
belt, always keep belt covers on mower for
safety as well as cleanliness.

x
x
x
x
x
x
x
x
x
x
x

WARNING: When possible clean under
mower, using a stick or similar instrument
making sure that no part of the body, especially
arms and hands are under mower.
Regular maintenance is the best prevention for costly
downtime or expensive, premature repair. The following
pages contain suggested maintenance information and
schedules which the operator should follow on a routine
basis.
Remain alert for unusual noises, they could be signaling
a problem. Visually inspect the machine for any abnormal
wear or damage. A good time to detect potential problems
is while performing scheduled maintenance service.
Correcting the problem as quickly as possible is the best
insurance.

x
x
x
x
x
x
x
x
x
x
x
x

NOTES:
1. Initial oil change is after 5 hours of operation. Thereafter, change oil after every 40
hours operation. Change more often under dusty or dirty conditions and during hot weather
periods.
2. Torque initially and after first 2 hours of operation.
3. Perform initial hydraulic filter change after 50 hours (one week) of operation.
4. Change engine oil filter per the engine manufacturer’s recommendations. Refer to
Engine Owner’s Manual for recommendations and other maintenance items.
5. Service more often under dusty or dirty conditions. Use caution when servicing to prevent
dust contamination in the engine. Do not clean filter element. Replace with a new one.
6. Pump drive belt only - Inspect every 100 hours and replace if worn or cracking is
noticed. Otherwise, replace every 400 hours or 2 years whichever comes first.
7. Check fuel line hoses, fuel valve and grommet for any cracks or leaks.

WARNING: Keep your machine clean and
remove any deposits of trash and clippings,
which can cause engine fires and hydraulic
overheating as well as excessive belt wear.
Clear away heavy build-up of grease, oil and dirt,
especially in the engine and hydraulic reservoir area; minute
dust particle are abrasive to close-tolerance engine and
hydraulic assemblies.
Daily inspect mower for grass clippings and wire and
string tangles. The underside of the mower deck will collect
a build-up of grass clippings and dirt, especially when grass
is wet or has high moisture content. This build-up will
harden, restricting blade and air movement and will
probably show a poorer quality of cutting. Therefore it
should be removed routinely.
To do this it will be necessary to raise and block the deck
in the full up position and scrape the build-up from
underneath.
Some repairs require the assistance of a trained service
mechanic and should not be attempted by unskilled
personnel. Consult your Hustler service center when
assistance is needed.

REFERENCES:
a
— Refer to Engine Owner’s Manual

NOTE: After completing maintenance cycle (500
hours), repeat cycle.

Introduction
WARNING: Unless specifically required, DO
NOT have engine running when servicing or
making adjustments to tractor. Place control
levers in the park brake position, disengage deck
clutch, and remove ignition switch key. Repairs
or maintenance requiring engine power should be
performed by trained personnel only. To prevent
carbon monoxide poisoning, be sure proper
ventilation is available when engine must be
operated in an enclosed area. Read and observe
safety warnings in front of manual.

4-4

375527_0406

Torque values
WARNING: Particular attention must be given
to tightening the drive wheel lug nuts, wheel
motor nuts, and blade spindle bolts. Failure to
correctly torque these items may result in the loss
of a wheel or blade, which can cause serious
damage or personal injury.
Torque values given below:
Ft-lbs.

Wheel (lug) nuts ................................65-75 ......88.14-101.7
Wheel motor nut (Hustler Z) .........350-375 .....474.6-508.5
Wheel motor nut (Super Z)............290-310 .....393.2-420.4
Blade spindle bolt top ........................65-75 ......88.14-101.7
Blade spindle bolt bottom
(spindle with blade saddle) ......65-75 ......88.14-101.7
Blade spindle bolt bottom
(spindle without blade saddle) ....118 ...........160.0

Lubrication
1. Grease the front gauge wheel bearings per the
Maintenance Schedule. Use SAE multi-purpose
grease.
2. Grease the four deck lift pivots, located to the side of
the operator’s footrest per the Maintenance Schedule.
Use SAE multi-purpose grease.
3. Grease the deck idler per the Maintenance Schedule.
Use SAE multi-purpose grease.
4. Grease the pump idler per the Maintenance Schedule.
Use SAE multi-purpose grease.
5. Grease the two deck pusher arm pivots per the
Maintenance Schedule. Use SAE multi-purpose
grease.
6. Grease the blade spindle assemblies per the
Maintenance Schedule. The spindle assemblies
require lubrication annually. Each spindle shaft is
equipped with a grease zerk located under the deck.
Use no more than one or two ounces of SAE multipurpose grease, (1 to 2 pumps on an average grease
gun). Do not force lubricant in to grease zerks.
Bearings are sealed and do not require much
lubricant.

It is recommended that these be checked after the first 2
hours of operation, initially and every 50 hours following
removal for repair or replacement.
For all other torques refer to the tractor parts manual for
standard torque chart.
For engine torque values, see engine owner’s manual.

Tires
It is important for level mowing that the tires have the
same amount of air pressure. The recommended pressure
are:
Drive wheels...............................................8-10 psi
Gauge wheels .............................................8-10 psi
Solid fill tires are not recommended for Hustler turf
equipment. On any machine, with solid filled tires, the
warranty claim will be denied.

Electrical system

WARNING: Explosive separation of a tire and
rim can cause serious injury or death.
Do not attempt to mount a tire without the proper
equipment and experience to perform the task.
Always maintain the correct tire pressure and
never over inflate.
Never weld or heat a wheel and tire assembly as
an explosion may occur. Welding can weaken or
deform a wheel.
When inflating tires stand to one side and not in
front of or over the tire assembly.
Check tires for low pressure, blemishes, damaged
rims or missing lug bolts and nuts.

The electrical system is a 12 volt, negative ground.
Recommended battery size is a garden tractor BCI group
U1R with 225 or better cranking AMP rating. A
maintenance-free battery is recommended. Otherwise,
follow battery manufacturer’s maintenance, safety, storing
and charging specifications.
The battery is located under the seat. Fig. 4-3
Battery

Hour meter
To recognize when your machine needs servicing, check
the hour meter and the maintenance schedule. The hour
meter shows the number of hours the engine has run and the
maintenance schedule lists the service intervals. Fig. 4-2
Figure 4-3
375527_0406

4-5

WARNING: Battery posts, terminals, and
related accessories contain lead and lead
compounds, chemicals known to cause cancer
and reproductive harm. Wash hands after
handling.

Seat platform catch

WARNING: Avoid skin contact with battery
acid.
Always wear eye protection when checking the
battery, acid can cause serious injury to skin and
eyes. If contact occurs, flush area with clean
water and call physician immediately. Acid will
also damage clothing.
Do not allow open flame near the battery when
charging.
Hydrogen gas forms inside the battery. This gas
is both toxic and flammable and may cause an
explosion if exposed to flame. Always remove
the negative ground first and replace it last.
Do not overfill battery.
Electrolyte may overflow and damage paint,
wiring or structure. When cleaning the battery,
use soap and water. Be careful not to get soap
and water into the battery. Use soda mixed in
water to clean corrosion off the terminals.

Seat platform

Control lever

Figure 4-4
Hydraulic reservoir

WARNING: Shorts caused by battery terminals
or metal tools touching metal tractor components
can cause sparks. Sparks can cause a battery gas
explosion which will result in personal injury.
Prevent the battery terminals from touching any
metal tractor parts when removing or installing
the battery.
Do not allow metal tools to short between the
battery terminals and metal tractor parts.

Hydraulic filter
Figure 4-5

Access to engine and hydraulic
pumps
The hydraulic pumps are accessed by lifting the seat
platform. The seat platform is hinged at the front. To raise
it, release seat latch and tilt seat platform up and forward.
The seat platform catch (Fig. 4-4) will prevent the seat from
going all the way over. However, if more access is desired
under the seat platform, the seat platform catch can be raised
allowing the seat to pivot more. Make certain to place the
control arms in the park brake position and pivot the
arm rests upward before placing the seat platform in the
full forward position to prevent arm rest damage.

WARNING: Incorrect battery cable routing
could cause damage to the tractor and battery
cables. This can cause sparks which can cause a
battery gas explosion which will result in
personal injury.
Always disconnect the negative (black) battery
cable before disconnecting the positive (red)
cable.

WARNING: Always wear adequate eye
protection when servicing the hydraulic system
and battery.

Common circuit failures are usually caused by shorting,
corroded or dirty terminals; loose connections, defective
wire insulation or broken wires. Switches, solenoids and
ignition components may also fail, causing a shorted or open
circuit.
Before attempting any failure diagnosis of the electrical
system, use a test light or voltmeter to check the battery
voltage. If the battery voltage is satisfactory, check the
cleanliness and tightness of the terminals and ground
connections. A general understanding of electrical servicing
and use of basic test equipment is necessary for
troubleshooting and repair.
Major overhaul or repair of the starting motor or
alternator should be performed by trained technicians only.

Hydraulic system
IMPORTANT: Never use hydraulic or automatic
transmission fluid in this system; use only motor oil as
specified. Remember, dirt is the primary enemy of any
hydraulic system.
WARNING: Hydraulic oil escaping under
pressure can penetrate skin. Hydraulic oil may
cause infection in a minor cut or opening in the
skin. If exposed to hydraulic fluid, see a doctor
at once.
4-6

375527_0406

Fuel filter
Cooling fan

Heat
exchanger
Kawasaki engine shown

Engine

Figure 4-8
Figure 4-6

The system filter is located directly in front of the
hydraulic reservoir. A standard oil filter wrench is used to
change filter, threads are right handed. Use a Hustler
approved filter element only.
IMPORTANT: Prefill the filter element with clean oil,
before installing, to prevent drawing air into the system
pump.
1. Fill the filter element with clean system oil. Smear a
light coating of oil on upper surface of rubber seal.
2. Install the filter element on base. Tighten the oil filter
by hand until the filter seal makes contact with the
filter head, then tighten an additional 3/4 - 1 turn with
an oil filter wrench. — DO NOT OVERTIGHTEN.
3. Start tractor engine and let run at approximately 2/3
throttle for a few minutes to work any trapped air out
of the system before engaging the steering control
lever.
4. Stop the engine and check the filter and connections
for leaks.
5. Check the hydraulic reservoir for specified oil level.
Add clean oil as necessary.
Clean or replace hydraulic reservoir cap annually. Cap
may be cleaned by dipping in or flushing with cleaning
solvent. Follow manufacturer’s instructions and warnings
for application of solvent type selected.
NOTE: The hydraulic pumps are equipped with bypass
valves. For more information refer to Operation section,
Moving tractor with stalled engine.
A hydraulic oil heat exchanger is installed on the Super
Z. This heat exchanger is designed to keep hydraulic system
oil temperature lower in hot operating conditions or heavy
continuous operating conditions.
This hydraulic heat exchanger is located above the
engine. Air is drawn across the cooling fins by an electric
fan located above the heat exchanger. Fig. 4-6
Never force anything into the heat exhanger fins which
may bend or distort them. For cleaning, use compressed air
or pressurized water only.

Fuel tank

Figure 4-7
Before applying pressure to hydraulic system,
make sure all connections are tight and all hoses
and lines are in good condition. To find a leak
under pressure, use a piece of cardboard or wood
— never use your hands. Relieve all pressure in
the system before disconnecting or working on
hydraulic lines. To relieve pressure, lower all
attachments and shut off engine.
The 1.0 U.S. gallon (3.79 liter) hydraulic reservoir is
located in front of the engine and under the operator’s
platform. Fig. 4-5
Check oil level in hydraulic system after every 50 hours
of operation or weekly, whichever occurs first. Check more
often if system appears to be leaking or otherwise
malfunctioning.
Fluid level should be 1” from top of reservoir. Use only
SAE 10W40 SG, SF/CC, CD service motor oil.
Change hydraulic system filter element (Fig. 4-5) after
first 50 hours of tractor operation, then replace filter and oil
in reservoir every 500 hours thereafter. When changing
hydraulic oil use 1/2 unit (approximately 3.5 oz.) of Lubrizol
additive (Hustler P/N 027912). This additive, available
from your Hustler dealer, will increase the performance life
of the hydraulic system components.
375527_0406

Fuel system
WARNING: Observe usual fuel handling
precautions; do not smoke while refueling, do
4-7

Right tank
position

Pre-cleaner

Left tank
position

Fuel shut-off valve
Closed position
shown

Canister
Figure 4-9a
Figure 4-11

Closed position

Reset
button

Left tank
position

Fuel shut-off valve
Right tank shown
Figure 4-9b

Indicator

not fill tank with engine running or while engine
is hot; allow engine to cool before storing
machine inside a building, keep fuel away from
open flame or spark and store machine away
from open flame or spark if there is fuel in the
tank. Read and observe safety precautions at
front of this manual.

Figure 4-12
substitute parts can result in system failure,
gasoline leakage and possible explosion.
The fuel tanks are located in the tractor’s fenders. (Fig.
4-7) Total capacity for the fuel tanks is 15 U.S. gallon (56.8
liter)
Use regular unleaded gasoline with an octane rating of 87
or higher.
The fuel filter (Fig. 4-8) is installed in the fuel line
between fuel tanks and engine fuel pump. Replace filter
annually or after every 500 hours of operation, whichever
occurs first.
When replacing the fuel filter, check the fuel line hoses
and fuel shut-off valve grommet for any cracks or leaks.
Replace as needed.
Hustler Z and Super Z tractors are equipped with a fuel
shutoff valve located on the right fuel tank mount (Fig. 49a). Rotate the valve to the middle position (shown) to
prevent fuel flow to the fuel pump. The forward position
allows fuel to flow from the right fuel tank to the fuel pump.
The rear position allows fuel to flow from the left fuel tank
to the fuel pump. Close this valve to prevent fuel flow to the
engine when servicing the fuel system or when transporting
the unit on a trailer or truck.

WARNING: Fuel System Under Pressure! The
EFI fuel system operates under high pressure,
and the fuel filter and fuel line used must be
approved system components only. Use of
Engine oil filler tube

Engine oil
drain plug

Engine oil filter

Kawasaki engine shown
Figure 4-10
4-8

375527_0406

NOTE: Models 927053 & 927061 are equipped with a
fuel shutoff valve located on the right fuel tank mount (Fig.
4-9b). Rotate the valve to the forward position to prevent
fuel flow to the fuel pump. The middle position (shown)
allows fuel to flow from the right fuel tank to the fuel pump.
The rear position allows fuel to flow from the left fuel tank
to the fuel pump.

cause a dusted engine.
Do not clean element, replace with a new element only.
Cleaning used air filter elements, through improper cleaning
procedures, can get dust on the inside of the filter causing
dirt ingestion and engine failure.
It is important to note that whenever an air filter element
is cleaned by any method, the person or company
performing the cleaning assumes responsibility for the
integrity of the filter from then on. The Donaldson
warranty for air filters expires upon cleaning or
servicing in any manner because the condition of the
filter after servicing is completely out of their control.
Therefore, on a dust ingested engine failure, there will be
no warranty consideration if the air filter element has
been cleaned or serviced in any manner.
A partially dirty air filter element works better than a
new element. Therefore, a dirty filter element is not bad for
the engine unless it is excessively restricting the air flow and
engine performance is affected. The reason is simple. The
media in the filter must be porous to allow air to pass
through it. When dirty air passes through the filter, the dirt
plugs some of the holes in the media and actually acts as
part of the filter media. When the next round of dirt enters,
the first dirt helps filter out even smaller particles making
the filter more efficient at stopping dirt from entering the
engine. This is referred to as barrier filtration.
Of course, at some point the filter media becomes too
clogged to allow air to pass.
The mowing conditions will determine the frequency of
air filter element changing.

Engine oil and filter
Check engine oil daily and after every 4 hours of
operation. Crankcase dipstick and oil filler tube are located
at the rear of the machine (Fig. 4-10). Tractor must be
setting level when checking oil. Refer to engine manual and
maintenance schedule for oil recommendation and
capacities.
Change the engine oil and filter after the first 5 hours of
operation, per the engine manufacturer’s recommendations
after that. If tractor is being operated in extremely dirty
conditions, then it is recommended oil be changed more
frequently.
The oil drain and oil filter are located at the rear of the
engine. Fig. 4-10

Engine air filter
Perform engine air filter maintenance per the Service
Interval chart on page 4-2.
A specially designed dry filter is standard equipment on
the Hustler Z and Super Z tractors and supplies clean
combustion air to the engine. Fig. 4-11
Safety filter
The Super Z liquid cool tractor is equipped with a safety
filter. The filter element slides over the safety filter. Use
Hustler part number 785279 only when replacing the safety
filter.
NOTE: The safety filter does not require servicing unless
it becomes contaminated with dirt or moisture.

Improper installation of an air filter element
Dust must not leak past the seals on each end of the air
filter element. The filter must be aligned within the canister
and properly seated for an effective seal so that no dirt can
enter the engine.
Damaged filter, seals or canister
Never bang or bump the filter element against the tire or
any solid object, as dust and dirt particles will be forced
through the media causing continual passing of dirt into the
engine. Visually inspect the outside of the air cleaner
canister periodically for external damage and replace if
necessary.

Recommended service procedure
Many engine failures can be attributed to improper air
cleaner servicing. Ingested dust and dirt will cause cylinder,
piston and bearing damage in a few hours. “Dusted”
engines will result from:
1. Overservicing the air filter element.
2. Improper installation.
3. Damaged filter, seals or canister.
4. Incorrect air filter element size.
5. Use of poorly designed aftermarket air filter elements.
Air cleaner servicing is an inexpensive maintenance
check that can prevent costly non-warrantable premature
engine damage.

Incorrect air cleaner element
Use only the correct Donaldson air filter element, Hustler
part number 785261, which is designed to fit the canister
properly.
Hustler air filter elements have the correct media
composition, filter area, micron size and dimensions.
Always use genuine Hustler filters. Many aftermarket filters
have been found to be incompatible with Hustler’s canisters
and engines.
The air filter must remain intact to block passage of dirt
and foreign particles from entering the engine. Being
inclined to disbelieve the need for more expensive air filter
elements used on gasoline engines may cause some
individuals to opt for a less expensive part.
The filter element must be sufficient size and

Overservicing
Overservicing occurs when an air filter element is
removed for cleaning or replacement before it is necessary.
Each time the filter is removed a small amount of dirt and
dust could fall in the intake system. This accumulated dirt
can cause a dusted engine. It only takes a few grams of
ingested dirt over the normal service life of an engine to
375527_0406

4-9

construction to withstand stresses, caused by rapid cycling
of the air volume demanded by the engine, without cracking
or tearing under fatigue and pressure (especially diesel
engines). Therefore, Hustler Turf Equipment and the engine
manufacturers have carefully selected a reliable filter
designed to fit the needs of the engines. The filter specified
is a Donaldson filter, Hustler part number 785261.
Owners should be reminded that failure to use original
equipment replacement parts is an “alteration” and will not
be considered for warranty in the event of engine damage.

Overflow reservoir

Recommended service procedure
1. Release clamps and remove element. Clean the
canister with a damp cloth.
2. Before installing a new element, inspect it by placing a
bright light inside and rotate the element slowly,
looking for any holes or tears in the paper. Also check
gaskets for cuts or tears. Do not attempt to use a
damaged element which will allow abrasive particles
to enter the engine.
3. Reinstall the dust cup. Make sure it seals all the way
around the air cleaner body, then tighten the clamps.
4. Check all fittings and clamps periodically for tightness
and inspect hoses for holes or cracks.
5. Periodically check the intake hose for signs of ingested
dust. Locate and repair the source of ingested dirt.
6. Never operate a machine without an air filter installed.

Radiator
Screen
Figure 4-13

Coolant
drain plug

Air restriction indicator
Any unit with a Kohler or Kawasaki engine will have an
air restriction indicator installed in the air cleaner. Fig. 4-12
Replace the element whenever the restriction indicator
shows reaches the change filter red line. Check the indicator
daily and replace element as needed or annually whichever
occurs first.
Reset the indicator by pushing in on the yellow button
after each element change. Fig, 4-12
A restriction indicator takes the guesswork out of air
cleaner servicing and allows you to safely benefit from the
filter’s optimum performance.

Figure 4-14
from the reservoir and add coolant to the “L” mark. Install
the cap.
DANGER: Never remove radiator cap or
overflow reservoir cap when engine is hot.
Pressurized hot steam and water may be released,
causing serious burns or possible blindness.
The system should be drained, flushed and refilled with
fresh solution after every 500 hours of operation. To drain
the radiator remove the overflow reservoir cap and remove
the coolant drain plug. When draining the system use a
flexible funnel to keep the coolant off the muffler. Fig. 4-14
If frequent refilling is necessary or if coolant appears
rusty, thoroughly check the system. Refer to the engine
manual for information on checking and cleaning system.
The engine cooling fan draws air through the engine
cooling radiator. This is protected by a screen shroud.
Keep the screen clean at all times and make sure trash is not
allowed to accumulate on the radiator, nor allow the fins and
cores to become plugged.
The radiator screen can be removed by disengaging the
latch at the rear of screen and pulling the screen towards the
rear of tractor. IMPORTANT: Take special care not to
bend the screen mount.
Never force anything into the radiator fins which may
bend or distort them. For cleaning, use compressed air or
pressurized water only.

Cooling system
Applies to models 927558, 927566, 927921, 927939,
927947 & 927954 only
Engine cooling is accomplished with circulated water and
Ethylene Glycol mixture. The radiator is equipped with a
pressure cap and overflow reservoir. System capacity is
approximately 2.9 U.S. quart (2.7 liter). Follow the
information found in the engine owner’s manual for the
recommended coolant solution.
Visually inspect the system daily prior to operating
tractor. Be sure the engine is level. Check the coolant level
only when the system is cold. Check the coolant level only
at the overflow reservoir (Fig. 4-13). The cooling system is
a closed type. Never open the radiator cap. Doing so
may induce air into the cooling system and may cause
overheating. The coolant level should be between the “H”
and “L” marks.
If the amount of coolant is insufficient, remove the cap
4-10

375527_0406

General engine maintenance

Viewed from
bottom for unit

Detailed instructions and recommendations for break-in
and regular maintenance are specified in the Engine
Owner’s manual. Please refer to this manual for engine
servicing, lubricating oil levels with quality and viscosity
recommendations, bolt torques, etc. The engine warranty is
backed by the manufacturer. Special attention should be
paid to applicable data which will not be duplicated here.
IMPORTANT: Refer to the Kohler EFI engine owner’s
manual for specific cleaning instructions.

1. Pump belt
2. Engine pulley
3. Pump idler pulley
4. Pump idler arm
5. Pump pulley
6. Electric deck clutch
7. Pump idler spring

Belt replacement
Figures 4-15, 4-16, 4-17, 4-18 and 4-19 show diagrams
and descriptions of the unit’s belt drive systems.
Inspect these belts frequently for wear and serviceability.
Replace a belt that shows signs of severe cuts, tears,
separation, weather checking and cracking, or burns caused
by slipping. Slight raveling of belt covering does not
indicate failure, trim ravelings with a sharp knife.

5
5
4

2, 6
3

WARNING: If the pump belt fails, loss of
control will occur especially when operating on a
slope. If you lose steering control while
operating the machine, place the steering
control levers in the park brake position
immediately. Inspect the machine and involve
your Hustler dealer to resolve the problem
before continuing to operate.

Figure 4-15
2

Inspect the belt pulley grooves and flanges for wear. A
new belt, or one in good condition, should never run against
the bottom of the groove. Replace the pulley when this is
the case, otherwise belt will lose power and slip excessively.
Never pry a belt to get it on a pulley as this will cut or
damage the fibers of the belt covering.
Keep oil and grease away from belts, and never use belt
dressings. Any of these will destroy the belt composition in
a very short time.

6
3
4

Mower blade maintenance

Deck Belt Drive Layout
Spindle drive belt
Deck blade spindle pulley
Spindle belt tension idler
Spindle belt tension idler spring
(9.0" at operation)
5. Deck belt idler
6. Idler arm
1.
2.
3.
4.

Check the mower blades daily, they are the key to power
efficiency and well groomed turf. Keep them sharp, a dull
blade will tear rather than cut the grass, leaving a brown
ragged top on the grass within a few hours. A dull blade
also requires more power from the engine.
Replace any blade which is bent, cracked or broken.

Side dischage deck

Figure 4-16
gloves when handling blades. Always check for
blade damage if mower strikes rocks, branches
or other foreign object during mowing!

WARNING: Never attempt to straighten a bent
blade by heating, or weld a cracked or broken
blade as the blade may break and cause serious
injury.

Mower blade removal
On spindles with blade saddles, use a 3/4" wrench to
remove the 1/2" cap screw holding the blade to the spindle
saddle from underneath. On spindles without blade saddles,
use a 15/16" wrench to remove the 5/8" cap screw holding
the blade to the spindle shaft from underneath. NOTE: On
rear discharge decks the right blade rotates opposite of the
other two blades. Therefore, it has a left hand threaded bolt.
It will be necessary to loosen it by turning it clockwise.

DANGER: Never work with blades while
engine is running or deck clutch is engaged.
Always place deck clutch in the disengaged
position, place steering control levers in the park
brake position and turn engine off. Block up
mower when you must work under it. Wear
375527_0406

4-11

Figure 4-17

Sharpen the blades on a grinder following pattern as
shown (Fig. 4-20). Touch-up sharpening can be done with
a file.
Check the blades for balance following grinding. A
commercial balancing tool is available through most
hardware supply stores, or balancing can be done by placing
the blade on an inverted line punch or 1/2" bolt. Blade
should not lean or tilt. Spin the blade slowly, blade should
not wobble. If blade is out of balance, true it up before
reinstalling.
4-12

Lay the blade on a flat surface and check for distortion
(Fig. 4-21 and 4-22). Replace any distorted blade.
Do not re-use spindle bolts which have stripped, worn or
undercut threads. Torque bolts on spindles with blade
saddles to 65-75 foot-pounds when reinstalling blades.
Torque bolts on spindles without blade saddles to 118 footpounds when reinstalling blades.
375527_0406

WARNING: When mounting blades, rotate
them after installation to ensure blade tips do not
touch each other or sides of the mower.

Warped Blade (Replace)
Cutting
Plane

WARNING: Failure to correctly torque the bolt
may result in the loss of the blade which can
cause serious injury.

Straight Blade

Comparison of Warped and Straight Blades

WARNING: Mower blades are sharp and can
cut. Wrap the blade(s) or wear gloves and use
extra caution when servicing them.

Figure 4-21
Cutting Edge

Twisted Blade Edge
(Replace)

Cutting Plane
Cutting Edge

Straight Blade Edge

End view of blades, comparing
twisted and straighten blades.

Figure 4-22

375527_0406

4-13

4-14

375527_0406

ADJUSTMENTS
Introduction

Control lever in the
neutral position

WARNING: Unless specifically required, DO
NOT have engine running when servicing or
making adjustments to tractor. Place control
levers in the park brake position and remove
ignition switch key. Repairs or maintenance
requiring engine power should be performed by
trained personnel only. To prevent carbon
monoxide poisoning, be sure proper ventilation
is available when engine must be operated in an
enclosed area. Read and observe safety warnings
in front of manual.

Park brake slot

Control
lever

Your Hustler Z or Super Z was adjusted before it left the
factory and was checked during predelivery setup.
However, after start-up and continued use, a certain amount
of break-in wear will cause some adjustments to change.
Remain alert for unusual noises, they could be signaling
a problem. Visually inspect the machine for any abnormal
wear or damage. A good time to detect potential problems
is while performing scheduled maintenance service.
Correcting the problem as quickly as possible is the best
insurance.

Figure 5-1

Pump linkage rod
Pump arm

WARNING: Keep your machine clean and
remove heavy deposits of trash and clippings,
they can cause engine fires and hydraulic
overheating as well as excessive belt wear.
Jam nut
Clear away heavy build-up of grease, oil and dirt,
especially in the area of reservoir and oil and engine
combustion air; minute dust particle are abrasive to closetolerance engine and hydraulic assemblies.
Some repairs require the assistance of a trained service
mechanic and should not be attempted by unskilled
personnel. Consult your Hustler service center when
assistance is needed.

Figure 5-2
It is recommended that these be checked after the first 2
hours of operation, initially and every 50 hours following
removal for repair or replacement.
For engine torque values, see engine owner’s manual.
For all other torques refer to the parts manual for
standard torque chart.

Torque values

Steering linkage

WARNING: Particular attention must be given
to tightening the drive wheel lug nuts, wheel
motor nuts, and blade spindle bolts. Failure to
correctly torque these items may result in the
loss of a wheel or blade, which can cause serious
damage or personal injury.
Torque values given below:
Ft-lbs.
Nm

The neutral adjustment for the control levers in the neutral
position is discussed in this section.
The tractor steering has been factory adjusted to eliminate
creeping when the control levers are in the neutral position
(Fig. 5-1). However, should the tractor begin to creep, the
control lever linkage can be adjusted as follows:
Control Lever Neutral Adjustment
Before considering any adjustment, check the tire air
pressure and make certain hydraulic system oil is at
operating temperature. Unequal tire pressure will cause the
tractor to drift to one side. Refer to tire pressure information
in the Maintenance section of this manual.
Fine adjustment to the unit’s steering is made with the
adjustable pump linkage rods located between the control

5-1

lever and pump arms. Fig. 5-2
Neutral is properly adjusted when the control levers are in
the neutral position and the drive wheels are not turning.
If the tractor creeps in the neutral position the control
linkage may be adjusted as follows:
1. Raise and block the tractor up so the drive wheels are
off of the floor.

8. After adjusting for neutral it may be necessary to readjust the control lever stop. Fig. 5-3

Control lever stops
The control lever stops (Fig. 5-3) are designed to do two
things: First, and most important, they must keep the pumps
from bottoming out internally. Secondly, the stops may be
adjusted to help drive straight when the control levers are
pushed forward against the stops.
To keep the pumps from bottoming out internally use the
following procedure:
1. To make the first adjustment the tractor engine must
NOT be running.
2. Check to make sure the control levers are against the
stops before the pumps are bottomed out internally.
To do this, gently and slowly move the control levers
forward and feel if there is some resistance on the
pump lever before the control levers hit the stops.
Check one side at a time. If you sense that the pump
arms are stopping the forward motion of the control
arms, loosen the jam nut on the adjustable stop of the
corresponding side and turn the stop (set screw) inward
to stop the control levers slightly before the pump
bottoms out. Lock in place when the adjustment is
correct by re-tightening the jam nut.
3. Do this for each side.

WARNING: Make certain machine is secure
when it is raised and placed on the jack stands.
The jack stands should not allow the machine to
move when the engine is running and the drive
wheels are rotating. Use only certified jack
stands.
2. Position the control lever in the neutral position.
Disengage the deck clutch.
3. Start the engine and observe which way the wheels are
rotating.
4. If wheel(s) are rotating forward, loosen the jam nuts on
the pump linkage rods and rotate the rod to lengthen
the steering control linkage until the wheel(s) come to
a stop. Fig. 5-2
NOTE: The left linkage controls the left hydraulic
pump and the right linkage controls the right hydraulic
pump.
Repeat for the opposite side if necessary.
5. If wheel(s) are rotating in reverse then loosen the jam
nuts on the pump linkage rods and rotate the rod to
shorten the steering control linkage until the wheel(s)
come to a stop. Fig. 5-2
NOTE: The left linkage controls the left hydraulic
pump and the right linkage controls the right hydraulic
pump.
Repeat for the opposite side if necessary.
6. When both wheels remain in neutral, tighten the jam
nuts to lock the turnbuckle in place.
7. Test again by moving the control levers forward and
backward before returning them to the neutral position.
If the tires are in neutral, the unit is now ready for
operation.

To adjust the stops for driving straight when control levers
are against the stops during operation:
1. Determine which drive tire is rotating too fast when
both control levers are against the stops. Then stop the
tractor and loosen the lock nut on the side which is
rotating too fast and turn the stop (set screw) inward to
stop the control lever sooner. Tighten the lock nut on
the stop and test again. Repeat this procedure until
unit drives straight.
NOTE: Since this is a hydrostatic drive, variables such as
temperature of oil, efficiency of pumps and motors, tire
pressure etc. may effect the consistency of the ability to rely
on the stops to drive straight without the operator making
minor steering adjustments with the control arms.

Steering dampener
Jam nut

The steering dampener (Fig. 5-4) is spring loaded to return
the control levers to the neutral position from the reverse
position. This gives the operator a sense of neutral during
operation.
To set the steering dampeners in the correct operating
position follow these steps:
1. Place the control lever in the neutral position.
2. Loosen the steering dampener’s front ball stud.
3. Pull the dampener spring housing pass the point that
the internal spring is engaged.
4. Release the dampener spring housing and allow the
internal spring to bring the housing back to the neutral
position.
5. Tighten the nut on the steering dampener’s front ball
stud.

Stop
Control
lever

Figure 5-3
5-2

375527_0406

Spring
housing

Front brake link
(right side)

Front ball
stud

Figure 5-6

Figure 5-4

Upper
control
lever

Cap screw

Lower control
lever

Bypass valve
Hustler Z shown
Figure 5-7

Figure 5-5

Control lever adjustment
The control levers can be adjusted for operator comfort.
By loosening the cap screws that attaches the upper control
lever to the lower lever (Fig. 5-5), the upper control lever
can be pivoted to fit the operator’s personal preference.
The control levers should be adjusted so that they align
with each other when in the neutral position.

Bypass valve

Park brake adjustment
Occasionally check the park brakes and adjustment using
the following method:
1. Position the control levers in the neutral position.
Disengage the deck clutch.

Super Z shown

Figure 5-8
2. Raise and block the tractor up so the drive wheels are
off of the floor.
3. Open the hydraulic pump’s bypass valve (Fig. 5-7 & 58), on the side that is being adjusted, by turning bypass
valves counter clockwise one-half to one revolution.
The valve stems on each hydraulic pump are located

NOTE: The front brake link is not adjustable. Fig. 5-6
375527_0406

5-3

near the top and are identified as a hex stud.
4. Rotate the tire. The tire should rotate. Remember
hydraulic oil resistance will prevent the tire from
rotating freely even with the bypass valves open.
There should be no resistance from the brakes at this
point.
5. Hustler Z - Move the control lever to where it is
touching the outside edge of the lever’s travel slot.
Fig. 5-9
Super Z - Move the control lever to where it is just
inside (1/8”) the park brake slot. Fig. 5-10
NOTE: When the control lever is against the outside
edge of the the slot, the brakes should not be engaged.
6. Rotate the tire. If the brake is adjusted properly the
tire will still rotate but friction will start to become
noticeable here. However, if no brake resistance is
noticed, the brake needs adjusted as follows:
7. Loosen the brake linkage jam nuts. Fig. 5-11
8. Rotate the tire and at the same time rotate the
turnbuckle to shorten the length of the brake linkage to
increase the brake pressure. When you feel the brake
begin to engage, stop adjusting the turnbuckle. Retighten the jam nuts on the turnbuckle.
9. Place the control lever in the park brake slot (Fig. 5-9
& 5-10). The tire should not rotate when the control
lever is in the park brake position.
10. Place the control lever in the neutral position. The tire
should rotate freely.
11. Close the hydraulic pump’s bypass valve.
12. Repeat steps 3 thru 11 for the other side.
13. Remove the jack stands and lower the unit. It is now
ready to operate.

Control lever

Hustler Z shown

Park brake
slot

Outside edge
Travel slot
Figure 5-9
Control lever

Super Z shown

Park brake
slot

1/8”

Outside edge

Hydraulic pump belt adjustment
The pump drive belt tension remains constant by means of
a tension idler and spring (Fig. 5-12). There is no tension
adjustment of this belt. NOTE: Replace the belt every 400
hours or every two (2) years whichever comes first.

Figure 5-10
Jam nut

Jam nut

Deck drive belt adjustment
The spindle belt tension remains constant by means of a
tension idler and spring (Fig. 5-13). The spring tension
should be such that the belt does not slip under normal
operating load conditions, assuming the belt is not
excessively worn or damaged. As belt stretches and wears
in, adjustment may become necessary. To increase belt
tension, move the spring chain one (or more) link(s) at the
anchor bracket (Fig. 5-13). Installed spring length should be
9.0" ± .3" (22.8 cm ± .76 cm) originally with adjustments of
.60" (15.2mm) per chain link. (Fig. 5-14)

Turnbuckle

Figure 5-11
IMPORTANT: Do not over tension the spring to
compensate for a badly worn belt or pulley.

Engine RPM setting
The Hustler Z and Super Z are designed so that the engine
will run at 3600 rpm static pump load only. At this speed
the hydraulic pumps are running at their maximum rated
speed.
5-4

375527_0406

Spring

Pump drive
belt

Blocks

Tension
idler

Figure 5-12
Figure 5-15

Spring
Stop
handle

Height
adjusting
stop

Chain
Anchor
bracket

Tension idler
Figure 5-13
Figure 5-16
Spring Extension
9.0”

Normal Spring Length
6.0”

WARNING: Stop engine. Make sure deck
clutch switch is in the down (OFF) position.
Place control levers in the brake position before
leaving machine.
3.0”

2. Park the unit on a flat surface.
3. Raise deck and place 3" of blocking under all 4 corners
of the deck (Fig. 5-15). This will set the cutting height
at 3-1/4 ". NOTE: Back of deck will automatically be
set 1/4" higher. NOTE: When blocking up the rear
discharge decks make certain the blocks are not in the
discharge opening.
NOTE: To level an XR7 deck use a 3” block under the
back of the deck and a 4” block under the front of the
deck. This will set the cutting height at 3-1/2 ".
4. Set cutting height at 3-1/4" in the height indicator by
placing the height adjusting stop in the 3" hole, and
turning the height stop so that the flat side is against
the stop handle. Fig. 5-16
NOTE: On a XR7 deck set cutting height at 3-1/2" in
the height indicator by placing the height adjusting
stop in the 3-1/2" hole, and turning the height stop so
that the pin side is against the stop handle.
5. Clamp the height adjusting stop against the stop handle
(5-16). This will assure that the height will not move
during the setting process. Otherwise, spring pressure

Figure 5-14

Deck leveling and height adjustment
The mower deck has three areas that may need to be
checked and adjusted periodically. Before considering any
mower deck leveling adjustments, check that the tire air
pressure is within the specified range.
Deck level adjustments
Leveling the deck must be done in the following manner
and order:
1. Check tire pressures to make certain they are properly
inflated before starting to level deck. The
recommended pressures are as follows:
Drive wheels tire pressure....................8 - 10 psi
Gauge wheels tire pressure...................8 - 10 psi

375527_0406

5-5

Deck lift
threaded
rod

Nut

Nut
Chains

Figure 5-17
Deck lift
threaded
rod

Nut
Nut
Chains

Figure 5-18

7.
8.
9.
10.
11.

12.

13.
14.

15.
16.

3" or 4” block.
17. Tighten the adjuster bolt jam nut to prevent the
adjuster bolt from moving. Fig. 5-19
18. Tighten the hardware holding the chain and adjuster
onto the deck lift arm.
19. Go to the right rear of the tractor.
20. Make sure that there is still slack in the chain. If not,
loosen the two nuts on the block holding the threaded
rod until there is slack in the deck lift chain. Fig. 5-18
21. Tighten the appropriate nut until the chain just
becomes tight, making sure that the deck stays tight
against the 3" block.
22. Tighten the other nut on the opposite side of the block,
and jam them tightly together against the block.
23. Go to the left rear of the tractor.
24. Make sure that there is still slack in the chain. If not,
loosen the two nuts on the block holding the threaded
rod until there is slack in the deck lift chain. Fig. 5-17
25. Tighten the appropriate nut until the chain just
becomes tight.
26. Tighten the other nut on the opposite side of the block,
and jam them tightly together against the block.
27. Compress the deck lift assist springs so that there is 1”
of space between the front nut and on the spring and
the rear nut on the deck lift block (Fig. 5-21). Typical
both sides.

from the deck lift springs will tend to pull the stop
away from the handle.
Loosen all nuts on the deck lift threaded rods, and the
hardware on the adjuster (on the right front), until all
the deck lift chains are loose, and the deck is sitting
tightly on all four blocks. Fig. 5-17, 5-18, 5-19
Loosen the two nuts on the front of height indicator so
that the foot pedal is free. Fig. 5-20
Start the leveling process on the left front of the
tractor.
Set the amount of threads protruding on the deck lift
rod from the lift block at approximately 1". Fig. 5-21
Jam both nuts against the block.
Push or pull on the deck lift foot pedal until the chain
on the left front just becomes tight, making sure that
the deck stays tight against the 3" or 4” block.
While keeping the chain tight, tighten the nuts against
the deck lift block on the height indicator rod. Fig. 520
Go to the right front of the tractor.
Loosen the 5/16" jam nut on the adjuster lift chain (519), and back the adjuster bolt out to allow the adjuster
to move up and down freely.
Be sure that adjuster is free to move up and down.
Tighten the adjuster bolt until the chain just becomes
tight, making sure that the deck stays tight against the
5-6

375527_0406

Deck lift
assist springs

Lift block

Anti-scalp
wheel

1”

Deck lift rod
Adjusting
holes
Figure 5-21

Figure 5-23

Anti-scalp wheels
Anti-scalp wheel kits are standard on the Hustler Z.
These anti-scalp wheels are designed to minimize scalping
when mowing on rough uneven terrain.
After setting the cutting height, adjust the anti-scalp
wheels so they extend below the deck but do not contact
the ground. They should always be at least 1/4” to 3/4” (.6
cm to 1.9 cm) below the deck. With the unit sitting on a flat
level surface, the wheel position can be adjusted up or down
as needed from 3/4” to 1-3/4” (1.9 cm to 9.5 cm) below the
blade surface. Move the front wheels up or down, in 1/2”
(1.3 cm) increments, using the different axle mount holes in
the wheel mount bracket. Fig. 5-23
NOTE: When the anti-scalp wheels are installed, the
minimum cutting height is 1” (2.5 cm) with the anti-scalp
wheels set at 3/4”.

Height
adjusting
stop

1/4” plate

Figure 5-22
28. When completed, all chains will be tight, and deck
cutting height will be set to the deck height indicator.

Deck cutting height adjustment
Deck height is adjustable from 1” to 5” (2.54 cm - 12.7
cm) in 1/4” increments. The holes in the height adjusting
bar are spaced at 1/2” intervals. By turning the height
adjusting stop around, 1/4” increments can be attained due
to the 1/4” plate that is part of the stop. Fig. 5-22
EXAMPLE: When the height adjusting stop is placed in
the 1” hole, with the 1/4” plate facing to the front of the
unit, the cutting height is at 1”. When the height adjusting
stop is placed in the 1” hole, with the 1/4” plate on the
operator’s side of the hole, the cutting height is at 1-1/4”.
When the height adjusting stop is placed in one of the
holes, with the 1/4” plate on the operator’s side of the hole,
the deck height will be set at one of the following: 1-1/4”, 13/4”, 2-1/4”, 2-3/4”, 3-1/4”, 3-3/4”, 4-1/4” or 4-3/4”.
When the height adjusting stop is placed in one of the
holes, with the 1/4” plate facing to the front of the unit, the
deck height will be set at one of the following: 1”, 1-1/2”,
2”, 2-1/2”, 3”, 3-1/2”, 4”, 4-1/2” or 5” .
The notch located at the rear of the right height adjusting
bar is to be used when the deck is placed in the transport
mode.
375527_0406

5-7

TROUBLESHOOTING
The majority of operating problems that occur with a system can be traced to improper adjustments or delayed service. A
consistently applied preventative maintenance program, as outlined in the maintenance section of this manual, will prevent
many problems. The following chart is designed to help you locate a problem by suggesting probable causes and the
recommended solutions.
SYMPTOMS
Starting motor
does not crank

PROBABLE CAUSES

SUGGESTED REMEDIES

Control handle not in park
brake position or switch not
adjusted

Place control handle in park
brake position or re-adjust
switch

SYMPTOMS
Liquid Cooled Engine
Overheating:
Temperature light glows

Mower clutch switch engaged Disengage clutch switch

Engine cranks but
does not start

Weak or dead battery

Recharge or replace

For additional causes

See engine manual

No fuel or line
plugged

Fill tank or replace
line

Numerous

See engine manual

Engine:
Runs with continuous
misfiring or engine runs
unevenly or erratically

Numerous

Loss of power or
system will not operate
in either direction

Restrictions in air cleaner

Service air cleaner

Hydraulic line blockage

See your dealer

Internal interference or
leakage in wheel motor

See your dealer

Insufficient hydraulic
oil supply

Check level in reservoir

Poor compression

See your dealer

Steering linkage
needs adjustment

Adjust linkage

Check filter & fittings

For additional causes

See engine manual

Low oil level

Add oil

Oil diluted or too light

Change oil and check for
source of contamination

Failed oil pump

See your dealer

High oil consumption

Numerous

See your dealer

Tractor jerky when starting
or
operates in one direction
only

Steering control linkage
needs adjustment

Adjust linkage

Pump or wheel motors
faulty

See your dealer

Tow valves not closed
completely

Close tow valves

Low hydraulic oil level

Fill reservoir

Hydraulic pump faulty

See your dealer

Hydraulic oil cooler clogged

Clean oil cooler core

Tractor creeps when
steering control levers
are in neutral

Steering linkage needs
adjustment

Adjust linkage

Tractor circles or veers
in one direction

Steering linkage needs
adjustment

Adjust linkage

Wheel motors faulty

See your dealer

Hydraulic pump faulty

See your dealer

Steering linkage out of
adjustment

Adjust steering linkage

Brakes need adjustment

Adjust parking brakes

Tractor creeps when
parking brake engaged

375527_0406

Leaks in system

Replace/tighten hoses
and connections

Coolant level low

Add coolant

Frequent refilling of
radiator required

Radiator screen clogged

Clean screen

Coolant appears rusty

Radiator core clogged

Clean radiator core

Thermostat sticking or
inoperative

See engine manual

Air Cooled Engine
Overheating:

Air in system

Hydraulic system operates
hot (oil in reservoir
smells rancid)

SUGGESTED REMEDIES

Heat light malfunction

See your dealer

For additional causes

See engine manual

Air intake screen or
cleaning fins clogged

Clean screen and fins

For additional causes

See engine manual

Have dealer check
hydraulic pump

Low oil pressure

PROBABLE CAUSES

6-1

STORAGE
Preparation of battery for storage

When storing the unit at the the end of the mowing
season, the following steps should be taken to ensure
readiness for the next mowing season.

When the machine is to be unused for long periods, it is
best to disconnect the battery and remove it from the unit.
At this time perform the following battery maintenance:
1. Clean battery
2. Check the electrolyte level
3. Charge the battery, if necessary
4. Store battery in a cool, dry place (do not expose to
freezing temperatures)
5. Always keep the battery fully charged. (Especially
important to prevent battery damage when the
temperature is below 32F.)

1. Remove all grass, dirt, and trash from tractor and
mower. Clean tractor and mower and touch up all
scrapes with Hustler spray paint.
2. Clean paper air filter. Replace if necessary. Wash and
re-oil foam precleaner.
3. Check thoroughly for any worn or damaged parts that
need replacing and order them from your dealer.
4. Thoroughly lubricate machine, according to
lubrication instructions.
5. Check hydraulic oil level. Add oil if necessary.
Change oil and filter if not done in last 500 hours.
Lubrizol additive is required. Refer to Maintenance
section.
6. Block tractor up so weight is off tires.
NOTE: Do not deflate tires.
7. Perform separate engine and battery preparation as
listed below.
8. Store tractor in a clean, dry place.

New season preparation
Before starting the tractor following post season storage,
the following servicing is required:
1. Clean tractor, removing trash and dirt accumulation.
2. Check engine oil and hydraulic oil levels.
3. Fill fuel tank with fresh gasoline. Run machine at half
speed for 5 minutes, checking operation of steering
control lever. Stop engine and check for oil leaks,
loose fittings and so forth.
4. Tighten any bolts that have loosened and make sure all
hair pins, cotter pins and clevis pins are in place.
5. Install all safety shields and review safety precautions
listed in this manual.
6. Check and inflate tires to 8-10 psi.
7. Install a fully charged battery and attach the battery
cables.

Preparation of engine for storage
When engine is to be unused for long periods, proceed as
follows:
1. Run engine for a minimum of 15 minutes.
2. Drain oil from crankcase while engine is still warm.
3. Refill with fresh oil of proper viscosity.
4. Drain fuel tank and run the engine until it stops from
lack of fuel. Gasoline evaporates if left in carburetor
for long periods, forming gum and varnish deposits in
carburetor. These deposits will cause engine flooding
and loss of power.
5. Remove and replace fuel filter if not done in previous
100 hours.
6. Remove spark plugs and pour a tablespoon of engine
oil into each spark plug hole, Install plugs, but do not
reconnect plug leads.
7. Crank engine with starter at least a dozen revolutions
to distribute oil over cylinder walls and valve
mechanism.
8. Clean exterior surface of engine. Spread a light film
of oil over any exposed metal surfaces of engine that
are subject to corrosion.
9. Clean dirt and chaff from cylinders and fins, blower
housing and muffler.
10. Check oil filler cap and fuel tank cap to make certain
they are securely in place.

375527_0406

7-1

PRODUCT LITERATURE
Hydraulic pump information

This section contains sources of additional literature
concerning your tractor. Literature should be ordered from
your Hustler dealer or direct from indicated source.

Power to wheel motors is supplied by two Hydro-Gear
hydraulic pumps.
For more information:
Hydro-Gear
Customer Services
1411 So. Hamilton Street
Sullivan, IL 61951
Phone: (217) 728-2581

Hustler Z & Super Z Parts Manual
If you would like to order a Parts Manual for this tractor,
the Hustler p/n for that manual is listed below. Please call
Hustler Turf Equipment at (620) 327-1246 to order the
manual. You may also mail, FAX, or e-mail your order by
using the form on page 8-3. Hustler Turf Equipment will
accept credit card payment for this manual.
Model
Number

Model
Hustler Z

926881, 926915, 926923, 926931

Parts
Manual
P/N

List
Price

375535

$22.50

375543

$22.50

NOTE: During warranty period, check with your Hustler
dealer before attempting repairs on any tractor system.
Unauthorized repair work can void warranty of tractor,
engine, and other components.

926949, 926964, 926667, 926675
927111, 927723, 927731, 927772,

Wheel motors information

927798, 927806, 927814, 927556
Super Z

926725, 926741, 926766, 926972

For more information on Hustler Z wheel motors:
Parker Hannifin Corporation
2745 Snapps Ferry Road
Greenville, TN 37745
Phone: (423) 787-2499

926980, 926998, 927038, 927046,
927053, 927061, 927558, 927566,
927467, 927624, 927848, 927855,
927871, 927889, 927897, 927913
927921, 927939, 927947, 927954,
927970, 927988, 928010. 928028,
928036, 928044, 928051, 928069,
927848, 927855

For more information on Super Z wheel motors:
White Hydraulics
P.O. Box 30250
Nashville, TN 37241-0250
Phone: (270) 885-1110

Engine information
The Hustler Z uses a Kawasaki 23hp or 25hp engine, a
Honda 24hp engine or a 27hp Kohler engine. The Super Z
uses a Kawasaki 25hp engine, Kawasaki 26hp engine, a
Honda 24hp engine, a 27hp Kohler engine or a 28hp Kohler
engine. Primary source of information is the engine
operator’s manual, which is included with the owner’s
manual packet. For additional copies order Hustler P/N
778423 (Kawasaki), Hustler P/N 785642 (Honda), Hustler
P/N 742684 (Kohler) or Hustler P/N 791467 (Kohler EFI).
For additional engine service manual information contact
your local Kawasaki, Honda or Kohler dealer.
DESCRIPTION
Kawasaki Service Manual

ENGINE
MANUFACTURER’S
PART NUMBER

ORDER
HUSTLER
PART NUMBER

9924-2045-02

771535

Honda Service Manual

61ZJ410Z

787671

Kohler Service Manual

PP2450

747345

375527_0406

NOTE: During warranty period, check with Hustler
dealer before attempting repairs on any tractor system.
Unauthorized repair work can void warranty of tractor,
engine, and other components.

8-1

FREQUENTLY ORDERED PARTS
Part No.
027912
027920
768341
783939
781443
782292
781310
784207
795781
797167
797720
797936
798744
068478
785626
068478
772079
785634
747303
777391
782516
781898
783977
795252
795526
795260
793794
795633
796839
796508
794685
798702
797696
798496
785261
782763

Description
Lubrizol 7 oz. bottle
Lubrizol 10 oz. bottle
Hydraulic oil filter (Hustler Z only)
Hydraulic oil filter (Super Z only)
Pump drive belt
B-Section belt, deck (926881, 926725, 926972)
B-Section belt, deck (926915, 926923, 926931, 926949, 926667,
926675, 926741, 926980, 927111, 927038)
B-Section belt, deck (926964, 926766, 926998, 927046)
B-Section belt, rear discharge deck (927467, 927673)
B-Section belt, rear discharge deck (927624, 927681)
60” XR7 belt
66” XR7 belt
72” XR7 belt
Fuel filter (Kawasaki)
Fuel filter (Kawasaki liquid cooled)
Fuel filter (Honda)
Fuel filter (Kohler)
Engine oil filter (Kawasaki)
Engine oil filter (Honda)
Engine oil filter (Kohler)
21” High sail cw blade (60Z with blade saddles) (side discharge deck)
21” High sail cw blade (60Z without blade saddles) (side discharge deck)
18” High sail cw blade (52Z) (side discharge deck)
24” High sail cw blade (72Z) (side discharge deck)
21” High sail cw blade (60Z decks beginning with serial number 05011098)
(side discharge deck)
18” High sail cw blade (52Z decks beginning with serial number 05020101)
(side discharge deck)
24” High sail cw blade (72Z decks beginning with serial number 05020206)
(side discharge deck)
20-1/2” Flat cw blade (60” rear discharge deck - left and center blade)
20-1/2” Flat ccw blade (60” rear discharge deck - right blade)
23.86” Flat cw blade (72” rear discharge deck - left and center blade)
23.86” Flat ccw blade (72” rear discharge deck - right blade)
20.5” High sail cw blade (60” XR7 deck)
24.5” High sail cw blade (72” XR7 deck)
18.5” High sail cw blade (54” XR7 deck)
22.5” High sail cw blade (66” XR7 deck)
Remote filter element
Remote filter element (liquid cooled)

8-2

375527_0406

Hustler Z Parts Manual (P/N 375535) Order Form
Super Z Parts Manual (P/N 375543) Order Form
To order by mail:
Fill out this form, fill out the credit card information or attach a check and send it to:
Hustler Turf Equipment
P.O. Box 700
Hesston, KS 67062
To order by e-mail:
Using this form as a guide, send all necessary information, including credit card information to:
jhamm@excelhustler.com
To order by Telephone or FAX:
Telephone: call (620) 327-1142 to place an order
FAX this completed form to 1-800-221-8691
Name:
Address:
Telephone:
Master Card Number:

Expiration Date:

Visa Card Number:

Expiration Date:

QTY

375527_0406

Part Number

Description

Unit Price

375535

Hustler Z Parts Manual

$22.50

375543

Super Z Parts Manual

$22.50

8-3

Total Price

8-4

375527_0406

TECHNICAL SPECIFICATIONS
ENGINE SPECIFICATIONS
Horsepower
No. of Cylinders
Displacement
Compression Ratio
Max. Torque

Kawasaki
23
2
41.2 CU IN (675 CC)
8.1:1
39.8 FT LBS @ 2400 RPM

Kawasaki
25
2
41.2 CU IN (675 CC)
8.1:1
41.0 FT LBS @ 2400 RPM

Starter 12-volt (.8 KW),
solenoid shift positive
engagement.
Ignition Electronic.
Charging System 12-volt,
15-amp.
Fuel Unleaded gasoline with
octane rating of 87 or higher.
Fuel Filter Replaceable,
automotive-type.
Cooling Water cool
Belt driven fan
Governor Mechanical.
Warranty 1 year limited.
TRACTION DRIVE
SYSTEM:
Type Dual hydrostatic.
Individual pumps power two
direct-drive wheel motors.
Hydrostatic system operates
on 10W40 motor oil.
Pumps
Hustler Z - Hydrogear BDP10
Two variable displacement,
axial piston type. Each pump
powers one drive wheel
motor.
Super Z - Hydrogear BDP21
Two variable displacement,
axial piston type. Each pump
powers one drive wheel
motor.
Pump Drive V-belt drive
from engine crankshaft.
Final Drive
Hustler Z - Parker-Ross
TF024OUS080AAFW Direct
drive high-torque wheel
motors. One for each drive
wheel.
Super Z - White CE 20 Direct
drive high-torque wheel
motors. One for each drive
wheel.
Filter Replaceable spin-on
type.
Ground Speed - infinitely
variable
Hustler Z - 0-9 MPH (0-14.48
KPH) forward and 0-5 MPH (08 KPH) reverse
Super Z Transport 0-15 MPH (0-24.14
KPH) forward
Mowing 0-10 MPH (0-16.09
KPH) forward and 0-7.5 MPH
(0-12.07 KPH) reverse
Steering Twin lever steering
provides independent control
of each drive wheel. Speed,
forward, reverse, brake, and
turns are all controlled with
hand operated controls.
Turning Radius True zero
degree. Turns within its own
length. Counter-rotating,
independent drive wheels.
BRAKES:
Service Hydrostatic dynamic
braking.
Parking Automotive style
drum brakes. When steering
levers are placed in neutral
375527_0406

Honda
24
2
40.9 CU IN (670 CC)
8.3:1
37.5 FT LBS @ 2500 RPM

position, integral park brakes
are automatically engaged.
Mower Drive Single V-belt
drive from engine with
electric clutch. Spring tension
idler pulley for long belt life.
TIRES:
Front Two – 13 x 6.50 – 6,
rib tread.
Drive tire:
24 x 12.00 – 12, turf tread.
CAPACITIES:
Fuel System 12 US GAL (45.4
L).
Hydraulic Oil 1.5 US GAL
(5.7 L)
Engine Coolant 2.9 US QT
(2.7 L)
DIMENSIONS: Height 39 IN
(39 CM).
W/60 IN Deck Length 75 IN
(190.5 CM).
Overall width with 60” deck
and discharge chute up 62 IN
(157.48 CM).
Tire-to-tire width 53 IN
(134.62 CM).
Weight 1100 LBS (500 KG).
W/52 IN Deck Length 74 IN
(188 CM).
Overall width with 52” deck
and discharge chute up 59 IN
(149.86 CM).
Tire-to-tire width 52 IN
(132.08 CM).
Weight 1075 LBS (488.6 KG).
W/72 IN Deck Length 79 IN
(200.6 CM).
Overall width with 72” deck
and discharge chute up 70.4 IN
(178.8 CM).
Tire-to-tire width 60 IN (152.4
CM).
Weight 1130 LBS (512.5 KG).
SAFETY FEATURES:
Operator presence system
connected to deck and drive
clutches. Stabilizer rollers at
rear of tractor.
SEAT:
Standard: Molded-vinyl seat
with armrests. Fore and aft
adjustments.
Optional: Molded-vinyl,
suspension seat with armrests.
Fore and aft adjustment
CONSTRUCTION:
Mainframe is 1.5 IN x 3 IN x
.187 IN (3.8 CM x 7.62 CM x
.47 CM) rectangular steel
tubing. Drive motors mounted
to .179 IN (.45 CM) welded
steel. Front caster wheels
mounted with roller bearings
on each wheel. Front caster
forks are .50 IN (1.27 CM)
DECK LIFT: Foot-operated
deck height adjustment. Pin
for setting height, transport
position.
CONTROLS: Hand-operated
choke/throttle, ignition switch,

Kohler
27
2
44.0 CU IN (725 CC)
9.0:1
42.7 FT LBS @ 3000 RPM

electric mower clutch.
Integrated parking brakes.
INDICATORS: Hour meter,
engine oil warning light,
check engine warning light.
CUP HOLDER: Two cup
holders molded into the left
side fuel tank.
Accommodates nearly any
cup size.
DECKS
Common Specifications
Type: Free-floating mower
using three blades with center
blade to the front. Mower is
suspended at the corners.
Includes 6 deck-mounted
rollers to improve flotation in
rolling and uneven terrain.
Deck Lift: Raise and lower
deck from driver’s seat with
simple foot-operated deck
height adjustment. Pin for
setting height, transport
position. Change cutting
heights, hop curbs, and trailer
more easily.
Construction: .125 IN (.317
CM) welded steel. Solid 1 IN X
.375 IN (2.55 CM x .95 CM)
steel bars reinforce impact
areas on trim edges. .187 IN x
.375 IN (.47 CM x .95 CM) in
box-section reinforced front
edge. Reinforcements welded
onto spindle mount areas.
Steel deck housing is 5 IN
(1.27 CM) deep to provide
room for high-capacity
mowing.
Cutting Heights:
Foot-operated deck height
adjustment. Pin for setting
height, transport position.
Height adjustment in .25 IN
increments from 1 IN to 5 IN
(2.55 CM to 12.7 CM)
Blade Drive V-belt drive to
all three spindles. Spring
tension idler pulleys.
Spindles Machine ductile
housing. 1 IN (2.5 CM)
diameter high carbon steel
shafts and sealed ball
bearings.
Flotation Suspended mower
floats on four spring-assisted
chains. 6 anti-scalp wheels
are standard.
60” Side Discharge Deck
Specifications
Mowing Blades Heavy-duty,
heat-treated, high-lift steel
blades.
21 IN x 2.75 IN x .25 IN
(60Z deck with blade saddles)
21 IN x 3.00 IN x .25 IN
(60Z deck without blade
saddles)
Blade Tip Speed
18,375 FPM

9-1

Kohler
28
2
44.0 CU IN (725 CC)
9.0:1
44.8 FT LBS @ 2200 RPM

Kawasaki
26
2
41.2 CU IN (675 CC)
8.6:1
42.7 FT LBS @ 2400 RPM

52” Side Discharge Deck
Mowing Blades Heavy-duty,
heat-treated, high-lift steel
blades.
18 IN x 3.00 IN x .25 IN
Blade Tip Speed
18,900 FPM
72” Side Discharge Deck
Mowing Blades Heavy-duty,
heat-treated, high-lift steel
blades.
24 IN x 3.00 IN x .25 IN
Blade Tip Speed
18,525 FPM
60” Rear Discharge Deck
Specifications
Mowing Blades Heavy-duty,
heat-treated, flat steel blades.
20.5 IN x 2.5 IN x .203 IN
Blade Tip Speed
18,375 FPM
72” Rear Discharge Deck
Mowing Blades Heavy-duty,
heat-treated, flat steel blades.
23.86 IN x 2.5 IN x .203 IN
Blade Tip Speed
18,525 FPM
54” XR7 Side Discharge
Deck
Mowing Blades Heavy-duty,
heat-treated, flat steel blades.
18.50 IN x 3.00 IN x .25 IN
Blade Tip Speed
18,400 FPM
60” XR7 Side Discharge
Deck
Mowing Blades Heavy-duty,
heat-treated, flat steel blades.
20.50 IN x 3.00 IN x .25 IN
Blade Tip Speed
18,400 FPM
66” XR7 Side Discharge
Deck
Mowing Blades Heavy-duty,
heat-treated, flat steel blades.
22.50 IN x 3.00 IN x .25 IN
Blade Tip Speed
18,900 FPM
72” XR7 Side Discharge
Deck
Mowing Blades Heavy-duty,
heat-treated, flat steel blades.
24.50 IN x 3.00 IN x .25 IN
Blade Tip Speed
18,900 FPM

INDEX
PAGE
Access to engine and hydraulic pump..............................4-6
Adjustment introduction...................................................5-1
Anti-scalp wheels .............................................................5-7
Belt replacement.............................................................4-11
Brake specifications .........................................................9-1
Capacities specification....................................................9-1
Construction specification................................................9-1
Control lever adjustment ..................................................5-3
Control lever stops ...........................................................5-2
Controls ............................................................................3-1
Controls specifications .....................................................9-1
Cooling system...............................................................4-10
Cup holder........................................................................9-1
Cutting height specifications............................................9-1
Decals...............................................................................2-2
Deck cutting height adjustment........................................5-7
Deck drive belt adjustment...............................................5-4
Deck leveling and height adjustment ...............................5-5
Deck lift specifications.....................................................9-1
Deck warranty ..................................................................1-2
Dimensions.......................................................................9-1
Driving the tractor ............................................................3-4
Electrical system ..............................................................4-5
Engine air filter ................................................................4-9
Engine information...........................................................8-1
Engine oil and filter..........................................................4-9
Engine rpm setting ...........................................................5-4
Engine specifications .......................................................9-1
Engine starting .................................................................3-3
Frequently ordered parts ..................................................8-2
Fuel system.......................................................................4-7
General engine maintenance ..........................................4-11
Hour meter .......................................................................4-5
Hustler Z Parts Manual .............................................8-1, 8-3

375527_0406

PAGE
Hydraulic pump belt adjustment ......................................5-4
Hydraulic pump information............................................8-1
Hydraulic system..............................................................4-6
Indicators..........................................................................9-1
Instrumentation ................................................................3-2
Lubrication .......................................................................4-5
Maintenance introduction.................................................4-4
Model and serial number..................................................1-2
Moving tractor with stalled engine ..................................3-4
Mower blade maintenance .............................................4-11
Mower blade removal ....................................................4-11
Mower deck operation......................................................3-6
New season preparation ...................................................7-1
Operating suggestions ......................................................3-5
Park brake adjustment ......................................................5-3
Parts and service...............................................................1-2
Preparation of battery for storage.....................................7-1
Preparation of engine for storage .....................................7-1
Safety features specifications...........................................9-1
Safety interlock system ....................................................3-3
Seat...................................................................................9-1
Steering dampener............................................................5-2
Steering linkage................................................................5-1
Super Z Parts Manual ...............................................8-1, 8-3
Tires..................................................................................4-5
Tire specifications ............................................................9-1
To the new owner.............................................................1-1
Torque values............................................................4-5, 5-1
Traction drive system specification .................................9-1
Tractor warranty...............................................................1-2
Using this manual.............................................................1-1
Warranty registration .......................................................1-1
Wheel motor information.................................................8-1

10-1

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