This document pertains to the Allis-Chalmers 175 Tractor, a robust agricultural machine produced during the 1960s and 1970s. Known for its solid engineering and reliability, the 175 Tractor was a significant model in Allis-Chalmers' lineup, likely evolving from earlier utility tractor designs. It typically features a diesel engine and a manual transmission, designed for dependable performance in various farming and industrial applications. The tractor's heritage is rooted in Allis-Chalmers' reputation as a prominent American manufacturer of agricultural and industrial machinery, with models generally recognized for their robustness and innovation. This comprehensive Factory Service Repair Manual provides essential information for the maintenance, troubleshooting, and repair of the Allis-Chalmers 175 Tractor. It covers a wide array of systems, including engine, transmission, hydraulics, electrical, cooling, fuel, powertrain, steering, brakes, chassis, and the operator's station. Detailed procedures for diagnostics, routine maintenance, component overhaul, adjustments, and critical torque specifications are included. This manual is designed to assist owners, mechanics, and technicians in keeping the tractor in optimal working condition, ensuring its longevity and performance.