The Allis-Chalmers Model 175 Tractor represents a robust and reliable piece of agricultural machinery, embodying the enduring legacy of Allis-Chalmers in the farm equipment industry. Designed for utility and durability, this tractor is a testament to the engineering quality of its era, likely produced between the 1960s and 1970s. It is intended for a wide range of farm owners, independent mechanics, and enthusiasts undertaking restoration projects, offering a blend of practical functionality and straightforward operation. Its inherent reliability and serviceability make it a valuable asset for demanding tasks, ensuring consistent performance and longevity. This comprehensive service repair manual provides essential information for the maintenance, repair, and troubleshooting of the Allis-Chalmers Model 175 Tractor. Covering all aspects of service and repair, the manual details general maintenance, engine service, transmission repair, brake system, electrical systems, hydraulic systems, and steering. It includes step-by-step procedures for disassembly and reassembly, diagnostic charts for troubleshooting common issues, and specific technical data. This resource is designed to empower owners and technicians, enabling them to perform independent repairs, ensure optimal vehicle performance, and extend the operational life of their tractor.