The Allis Chalmers Model 170 Tractor represents a robust and reliable machine within the agricultural and utility tractor segment. Produced typically in the late 1970s to early 1980s, this tractor was engineered for durability and performance, reflecting Allis Chalmers' heritage of innovation and quality manufacturing. Known for its strong build and operational efficiency, the Model 170 was designed to meet the demanding needs of farming and various utility tasks, competing effectively with similar models from other major manufacturers of its era. Its engineering prioritizes functionality and longevity, making it a dependable workhorse for its intended applications. This comprehensive service and repair manual provides essential information for maintaining and servicing the Allis Chalmers Model 170 Tractor. It covers a wide array of critical areas, including detailed procedures for engine overhaul, transmission service, fuel system maintenance, electrical system diagnostics, and brake system repair. The manual also includes guidance on cooling system upkeep, steering and suspension servicing, and chassis work. Its purpose is to equip owners, operators, and service technicians with the knowledge necessary for effective troubleshooting, routine maintenance, and in-depth repairs, ensuring the continued optimal performance and longevity of the tractor.