The Allis-Chalmers 170 and 175 agricultural tractors, produced circa 1971-1976, represent robust mid-range utility machines known for their reliable engines and versatile transmission options, including the Power-Director and Power Shift systems. These tractors were designed for demanding field work and were a significant offering in the agricultural market of their time, competing with models from major manufacturers. Their construction emphasizes durability and performance, making them a valuable asset for farm operations.

This comprehensive service and repair manual provides detailed information for maintaining and repairing the Allis-Chalmers 170 and 175 tractors. It covers essential systems such as the engine, powertrain, hydraulics, chassis, and electrical systems. The manual includes diagnostic procedures, troubleshooting guides, routine maintenance schedules, and step-by-step instructions for disassembly, assembly, adjustments, and overhauls, offering in-depth technical data suitable for both professional mechanics and experienced owners.