Description
This official Allison Operator’s Manual provides essential information for the proper operation, safety, and basic maintenance of AT, MT, and HT Series on-highway automatic transmissions. Designed for drivers, fleet managers, and operators, this guide helps ensure reliable performance and long-term durability across a wide range of vocational and commercial applications.
📘 WHAT’S INSIDE:
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Operating instructions and shift procedures
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Transmission fluid requirements and level checks
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Towing guidelines and temperature monitoring
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Safety precautions and driver responsibilities
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Light maintenance and diagnostic indicators
⚙️ Transmission Models Covered:
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AT Series:
AT 540, AT 542 (N)(R)(NFE), AT 543, AT 545 (N)(R), AT 1542P, AT 1545P (N) -
MT Series:
MT 640, MT(B) 643, MT 643R, MT 644, MT 647, MT 650, MT(B) 653, MT 654CR -
HT Series:
HT 740 (D)(RS)(FS), HT 747 (D), HT 750CRD, HT 750DR (DB)(RS), HT 750DRI, HT 750DRD (DB), HT 754CRD, HT 754CR (RS)
🛠️ Ideal For:
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Commercial truck operators
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Bus and coach fleets
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Vocational vehicles and utility trucks
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Heavy-duty transmission service managers
📥 Format:
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Digital PDF download
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Fully searchable and printer-friendly for shop or field use
Note: This manual is intended for basic operational guidance. For detailed diagnostics or repairs, refer to the specific troubleshooting or service manuals for your transmission model.
