Operator's Manual AT, MT, HT Series Allison AT MT Transmission

• OM1334EN
  • TITLE PAGE
  • WARNINGS, CAUTIONS, AND NOTES
  • TRADEMARK INFORMATION
  • TABLE OF CONTENTS
  • INTRODUCTION
    • KEEPING THAT ALLISON ADVANTAGE
    • TYPICAL AT, MT, AND HT MODEL TRANSMISSIONS
      • AT Model Transmission
      • MT Model Transmission
      • HT Model Transmission
    • A BRIEF DESCRIPTION OF THE ALLISON AUTOMATIC
    • TORQUE CONVERTER
    • LOCKUP CLUTCH (AT 1500, MT(B) 600, HT 700)
  • SHIFT SELECTORS
    • Typical Shift Selector Labeling
    • ALLISON AUTOMATICS
      • Typical AT, MT, HT Shift Selector Positions
    • RANGE SELECTION - AT 500 SERIES AND AT 1500 SERIES WITH A SECOND NEUTRAL (PARK)
    • RANGE SELECTION - AT 500 SERIES AND AT 1500 SERIES WITHOUT A SECOND NEUTRAL (PARK); MT 640, MT(B) 643, MT 643R, MT(B) 644, MT
    • RANGE SELECTION - MT 650; MT(B) 653DR
    • RANGE SELECTION - HT 750CR, HT 754CR, MT(B) 654CR
    • RANGE SELECTION - HT 750DR, HT 750DR DB
  • DRIVING TIPS
    • THROTTLE CONTROL
    • DOWNSHIFT INHIBIT FEATURE
    • OPERATING IN COLD WEATHER
    • USING THE ENGINE FOR DOWNHILL BRAKING TO SLOW THE VEHICLE OR EQUIPMENT
    • USING THE HYDRAULIC RETARDER
      • Table 1. Typical AT/MT Input Retarder Controls
    • AUXILIARY TRANSMISSION
    • TWO-SPEED AXLE
    • TOWING OR PUSHING
    • PARKING BRAKE
    • DRIVING ON ICE OR SNOW
    • ROCKING OUT
    • TEMPERATURES
  • POWER TAKEOFF OPERATION
    • ENGINE-DRIVEN PTO
    • CONVERTER-DRIVEN PTO
      • Typical PTO Drive Gear And Mounting Pad
  • CARE AND MAINTENANCE
    • PERIODIC INSPECTIONS
    • PREVENT MAJOR PROBLEMS
    • IMPORTANCE OF PROPER FLUID LEVEL
      • Transmission Cross-Section Showing Internal Components
    • TRANSMISSION FLUID CHECK PROCEDURE
      • Typical Dipstick Markings
    • DROPBOX FLUID CHECK PROCEDURE
    • KEEPING FLUID CLEAN
    • RECOMMENDED AUTOMATIC TRANSMISSION FLUID AND VISCOSITY GRADE — NON-MT 643R TRANSMISSIONS
    • RECOMMENDED AUTOMATIC TRANSMISSION FLUID AND VISCOSITY GRADE — MT 643R TRANSMISSIONS
      • Table 2. Operating Temperature Requirements for Transmission Fluid
    • FLUID AND FILTER CHANGE INTERVALS
      • Table 3. Fluid and Filter Change Intervals 
    • FLUID CONTAMINATION
      • Table 4. Fluid Oxidation Measurement Limits
    • AUXILIARY FILTER
  • CUSTOMER SERVICE
    • OWNER ASSISTANCE
    • SERVICE LITERATURE
      • Table 5. Service Literature
    • ALLISON TRANSMISSION DISTRIBUTORS
    • ALLISON TRANSMISSION REGIONAL OFFICES