The Allis-Chalmers Tractor Model 200 represents a significant piece of agricultural and industrial equipment, built with the engineering quality and reliability characteristic of the Allis-Chalmers brand. This tractor was designed for agricultural and light industrial applications, embodying a specific design philosophy from its production era. Its robust construction and intended utility make it a valuable asset for various operational needs, reflecting a long heritage in equipment manufacturing. This comprehensive service repair manual in English is designed to provide in-depth knowledge for maintaining and repairing the Allis-Chalmers Tractor Model 200. It covers essential systems including the engine, transmission, electrical, hydraulic, cooling, fuel, steering, braking, power take-off, chassis, and body components. Detailed procedures for disassembly, assembly, cleaning, reinstallation, troubleshooting, tune-ups, and rebuilding are included, along with crucial torque specifications. This manual is intended for professional technicians and experienced DIY mechanics, offering factory-trained technician knowledge and instant access for immediate problem-solving.