The Allis-Chalmers 8050 tractor, produced in the late 1970s and early 1980s, represents a robust and durable piece of agricultural machinery. As part of Allis-Chalmers' later generation of large farm tractors, the 8050 was designed for demanding tasks, typically featuring a diesel engine in the 100-130 horsepower range and often equipped with a powershift transmission. Known for their solid construction and performance, these tractors have a reputation for longevity when properly maintained. This manual supports the continued operation and serviceability of the Allis-Chalmers 8050, ensuring its capabilities are preserved. This comprehensive Workshop Service Manual is designed to provide detailed repair and overhaul instructions for the Allis-Chalmers 8050 tractor. It covers a wide array of systems, including the engine, transmission, electrical system, hydraulics, drivetrain, braking, steering, and cooling systems, along with bodywork. The manual offers step-by-step procedures for routine maintenance, complex repairs, and complete overhauls, supported by essential technical specifications, diagnostic guides, and troubleshooting information. It also highlights safety precautions and identifies necessary special tools, making it an indispensable resource for mechanical technicians, tractor owners, and repair shops aiming to maintain and service the 8050 effectively and economically.