The Allis-Chalmers 170 is a notable tractor model, produced during the late 1960s through the mid-1970s, representing a significant entry in the manufacturer's mid-range utility tractor lineup. Allis-Chalmers, a historically prominent American manufacturer of agricultural and industrial machinery, built the 170 with an emphasis on robust engineering and reliability, making it a trusted machine for various farming and operational tasks. This tractor is equipped with a diesel engine and a manual transmission, offering dependable performance for its intended users. This comprehensive Workshop Service Manual (WSM) provides in-depth, professional-quality service and repair information for the Allis-Chalmers 170. It covers all areas of repair and routine maintenance, including detailed procedures for the engine, fuel system, cooling system, lubrication, electrical system, transmission, hydraulics, steering, braking, axles, chassis, and operator station. The manual is designed for tractor owners, mechanics, and DIY enthusiasts, offering systematic diagnostic procedures, troubleshooting guides, and step-by-step instructions with supporting illustrations and diagrams to ensure proper maintenance and repair, ultimately enabling users to save on labor costs and keep their equipment in optimal working condition.