The Allis-Chalmers B-112 Tractor represents a robust and reliable piece of agricultural machinery, built by a manufacturer with a rich heritage in producing dependable equipment. Designed for a variety of tasks, this tractor embodies the enduring quality associated with the Allis-Chalmers brand. Its engineering focuses on operational longevity and efficient performance, making it a valuable asset for its intended applications. The B-112 is a testament to practical design and solid construction, aiming to provide consistent service for its owners. This comprehensive workshop service repair manual offers complete official factory information for the Allis-Chalmers B-112 Tractor. It covers all essential systems, including detailed engine procedures, hydrostatic drive unit maintenance and repair, power train components, and the electrical system. The manual provides step-by-step instructions for routine maintenance, in-depth repair procedures based on complete disassembly, and guidance for diagnosing and resolving common and complex problems. With factory-level detail, including troubleshooting, diagnostic procedures, and a parts catalog, this English-language manual is an indispensable resource for owners and mechanics to ensure the proper operation and longevity of their tractor.