Numbers !! Number Guide

Preview ! _Number_Guide Mtd Lawn Mower Manuals - Lawn Mower Manuals – The Best Lawn Mower Manuals Collection

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The MTD numbering system is based on a 6 digit number. Private label or Customer model numbers are 9 digits.
The last three numbers (Customer designation) indicate that something is different from the basic MTD number
designated by the first 6 digits. The difference may be only the color or it may have different wheels, handles,
shrouds, etc. Generally, the push and self-propelled mowers have more variations than the lawn tractors, garden
tractors and tillers.

Model Numbering System
MTD Products

122-478-000

—Model Number Complete
Customer Number

Engine Number
Two Digit Deck Number
Year of Build
Type of Mower
Product Type

1=Walk Behind, 2=Self-propelled, 3=Ride On,
4=Garden Tractor, 9=Accessories
1=Lawn Mower
2=Chore Performer
3=Snow Blower

123-294A
1

General category of lawn mowers to include push, self-propelled, riders (lawn tractors) and garden tractors.

123-294A
2

The second digit shows the type of mower:
1 Push
2 Self-propelled
3 Rider (Lawn Tractor)

4 Garden Tractor
9 Accessories

123-294A
3

This indicates the year of manufacture
1996 and prior
3 1983
2 1982
1 1981

0 1980
9 1979 etc.

123-294A
A

Because the numbering system repeats every 10 years, this indicates the decade. This letter is only found
on the model plate and owners manual.
In 1984 because of computer programming the letter code was dropped and ‘000’ was added to designate
the customer.
1-13

1

Model Number System Pre 1993
Walk Behind Mowers

122-478-000

—Model Number Complete
Customer Number

Engine Number
Two Digit Deck Number
Year Model
Model Type

Lawn and Garden Tractors

132-660-000

—Model Number Complete
Customer Number

Styling Number
Transmission Type & Number of Speeds
Frame Size
Year Model
Model Type

Model Number System 1993-1997
Walk Behind Mowers

122-478 A 000

—Model Number Complete
Customer Number

Engine Number/Letter
Two Digit Deck Number
Year Model
Model Type

Lawn and Garden Tractors

137 M 660 F 000

—Model Number Complete
Customer Number

Deck Size
Styling Number
Transmission Type & Number of Speeds
Frame Size
Engine Letter
Model Year
Model Type
1-14

12 A 294 A
1997 To the present:A letter will be used as a sales level indicator. The date of build can be ascertained by reference to the
Production Code.

Model Number System 1997 to Date
Lawn and Garden Tractors

13A M 660 F 000

—Model Number Complete
Customer Number

Deck Size
Styling Number
Transmission Type & Number of Speeds
Frame Size
Engine Letter
Sales Level
Model Type

Date Codes MTD/Yardman
2 L 2 1 5 C 2 0 0 0 1 These four digits will be the sequence/serial
number of the individual unit.

This indicates the assembly line (number two).
This is the plant identification. The “C” indicates Indianola, Mississippi.
This digit is the year that the unit was built. The “5” in this example indicates “1995”.
These two digits indicate the day of the month i.e., “21” is the “twenty-first” day
of the month.
This letter is the month of the year indicator. “L” represents December, “A” represents January,
“B” February, “C” March, etc.
The first digit is the lot/engineering level. It would change if there were a major parts change.

Deck Identification

Transmission Types

Letter Cutting Deck Size
A
30 in. Rear Discharge Hard Top
Catcher
C
30 in. Rear Discharge Soft Top
Catcher
D
32 in. Side Discharge
E
36 in. Side Discharge
F
38 in. Side Discharge
G
42 in. Side Discharge
H
46 in. Side Discharge
N
40 in. Rear Discharge
P
50 in. Side Discharge

0 = Hydrostatic 18 inch wheels
0 = For 1999 onwards AUTO DRIVE
1 = Four wheel steer
4, 5, 6 & 7 = VariSpeed 4, 5, 6 & 7 speed
9 = Hydrostatic 20 inch wheels

1-15

K

54 in. Side Discharge

1
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