The Allis-Chalmers Model 170, produced from the early to mid-1970s, represents a robust and versatile utility tractor. Known for its distinctive Persian Orange livery and solid engineering, this model was a significant contributor to American agriculture. Featuring a 3-cylinder diesel engine providing approximately 40-50 PTO horsepower and an 8-speed constant mesh transmission with a 2-speed Power Director, it offered 16 forward and 16 reverse speeds for efficient operation. Its design prioritized reliability and ease of maintenance, making it a trusted workhorse for various farming tasks.

This comprehensive repair service manual provides essential information for the diagnosis, servicing, and repair of the Allis-Chalmers Model 170. It covers a wide array of systems, including detailed engine overhaul procedures, transmission service for both gear drive and Powershift variants, hydraulic system repair, electrical diagnostics, braking, steering, and axle maintenance. The manual also includes regular maintenance schedules, troubleshooting guides, technical specifications, and step-by-step repair instructions, ensuring that owners and technicians can maintain optimal performance and longevity of their tractor.