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Allison Transmission MT 643 User Manual

Allison Transmission MT 643
48 pages
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Operator’s Manual
AT, MT, HT Series
On-Highway Transmissions
OM1334EN
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Allison Transmission MT 643 Specifications

General IconGeneral
BrandAllison Transmission
ModelMT 643
CategoryMicrophone system
LanguageEnglish

Summary

Warnings, Cautions, and Notes

Warning Indicator Definition

Defines a warning for potential personal injury or loss of life.

Caution Indicator Definition

Defines a caution for potential equipment damage or destruction.

Transmission Range Selection Guide

Driving Tips and Techniques

Cold Weather Driving Precautions

Provides guidance and cautions for operating the transmission in cold temperatures.

Braking and Retarder Systems

Engine Braking for Downhill Control

Explains using the engine for downhill braking to slow the vehicle.

Hydraulic Retarder System Use

Explains the use of hydraulic retarders for braking and provides associated warnings.

Care and Maintenance Procedures

Maintaining Proper Fluid Level

Explains the critical role of maintaining the correct transmission fluid level.

Transmission Fluid Checks

Recommended Fluids and Change Intervals

Fluid Recommendations for Non-MT 643R

Specifies recommended fluids and grades for non-MT 643R transmissions.

Fluid Recommendations for MT 643R

Specifies recommended fluids and grades for MT 643R transmissions.

Fluid Contamination and Analysis

Identifying Transmission Fluid Contamination

Details how to examine fluid for contamination and its implications.

Coolant Leakage Detection Methods

Addresses issues arising from coolant leaking into the transmission system.

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