This comprehensive Detroit Diesel Allison Model 8V92TA Service Repair Manual, originally published in January 1988, provides in-depth information for maintaining and repairing this powerful engine. Intended for both Direct Support and General Support maintenance, the manual covers a wide range of topics, including equipment description, maintenance instructions and procedures, troubleshooting, special tools list, torque limits, and extensive repair parts information. Detailed line drawings illustrate all components, parts, and repair/maintenance procedures for this engine. Originally designed for the M977 series Heavy Expanded Mobility Tactical Truck (HEMTT), this manual is an essential resource for anyone working on the 8V92TA engine.

The Detroit Diesel Allison 8V92TA engine, found in the M977 series Heavy Expanded Mobility Tactical Truck (HEMTT), is a powerful and robust powerplant designed for demanding military applications. This 8-cylinder, 92-liter, two-stroke diesel engine, produced by Detroit Diesel Corporation, boasts an impressive output of 500 horsepower and 1,650 lb-ft of torque, making it a force to be reckoned with on the battlefield. The engine's rugged construction, including cast-iron cylinder liners and forged steel connecting rods, ensures durability and reliability even in extreme conditions. Coupled with the Allison MT653 transmission, a robust and reliable automatic transmission, the 8V92TA provides the HEMTT with exceptional power and maneuverability, allowing it to transport heavy loads over rough terrain and challenging environments.

The M977 series HEMTT, built by Oshkosh Corporation, is a versatile and highly capable truck designed to transport essential supplies, equipment, and personnel in support of military operations. These trucks are known for their exceptional payload capacity, reaching up to 10 tons, and their unmatched off-road capabilities thanks to their six-wheel drive configuration and advanced suspension system. Equipped with the powerful Detroit Diesel Allison 8V92TA engine, the HEMTT can traverse difficult terrain with ease, navigate challenging obstacles, and maintain operational efficiency in extreme conditions. The M977, widely adopted by the United States Armed Forces and several allied nations, has become an indispensable workhorse in various military operations, demonstrating its resilience and reliability in demanding tactical environments.