The Allis Chalmers Model RC Tractor, also known as the RC Tractor, represents a significant piece of agricultural machinery from a manufacturer renowned for its robust and reliable American-made tractors. While specific production years are not detailed, the RC model designation suggests a mid-20th-century origin, a period when Allis-Chalmers established a strong legacy in the industry. These tractors were engineered for durability and performance, designed to meet the demanding needs of farming and other heavy-duty applications. Their straightforward design and solid construction contributed to their reputation for dependability in the field. This comprehensive workshop service manual provides detailed guidance for the maintenance, repair, and overhaul of the Allis Chalmers Model RC Tractor. It covers routine maintenance procedures, including periodic maintenance charts and fluid specifications for essential systems like the engine, transmission, and hydraulics. The manual offers step-by-step repair instructions, detailed overhaul procedures for major components such as the engine and transmission, and dedicated troubleshooting sections to help diagnose and resolve issues. Wiring diagrams for the electrical system are also included, making this an invaluable resource for both professional technicians and DIY mechanics seeking to maintain the longevity and optimal performance of their RC Tractor.