This comprehensive Allison AT 540, 542, 543, 545, 1542, and 1545 Automatic Transmission Workshop Service Repair Manual provides detailed instructions and illustrations for every service and repair procedure you'll need. Covering all models, engines, trim levels, and transmission types, this manual is your complete guide to maintaining and repairing your Allison automatic transmission.

The manual includes step-by-step instructions, detailed diagrams, and comprehensive information on troubleshooting and diagnosis. Whether you're a professional mechanic or a DIY enthusiast, this manual will equip you with the knowledge and confidence to perform any service or repair on your Allison transmission.

The Allison AT 540, 542, 543, 545, 1542, and 1545 series automatic transmissions are renowned workhorses in the commercial vehicle industry, renowned for their durability, efficiency, and reliability. These transmissions are specifically designed for heavy-duty applications, commonly found in trucks, buses, and other commercial vehicles operating under demanding conditions. They are engineered with robust components, including heavy-duty clutches, planetary gear sets, and hydraulic controls, to handle high torque loads and withstand the rigors of continuous operation. The Allison AT series offers a range of gear ratios and operating capabilities, catering to various vehicle types and applications. These transmissions are known for their smooth shifting, fuel efficiency, and extended service life, contributing to improved performance and reduced operating costs for commercial vehicle operators.

The Allison AT 540, 542, 543, 545, 1542, and 1545 series transmissions are designed with a focus on user-friendliness and ease of maintenance. Their modular construction facilitates component replacement, simplifying repair procedures and reducing downtime. These transmissions are also equipped with advanced electronic control systems that optimize gear selection, shift points, and other critical parameters for optimal performance and fuel economy. With their robust design, proven reliability, and sophisticated electronic controls, Allison AT series transmissions have become a cornerstone for many commercial vehicle manufacturers and operators worldwide. The Complete Workshop Service Repair Manual provides detailed instructions, schematics, and troubleshooting guides for technicians, ensuring efficient and accurate maintenance and repair of these transmissions.