This manual covers the Allis Chalmers HB-212 Tractor. While specific production years are not detailed, this tractor is designed for robust performance and reliability in various applications. Its engineering emphasizes durability and efficient operation, making it a dependable choice for demanding tasks. The HB-212 Tractor is equipped with a Hydrostatic Drive Unit and is compatible with all B-Series Attachments, offering versatility for different operational needs. This comprehensive Factory Service Repair Manual, written in English, provides essential information for maintaining and repairing your Allis Chalmers HB-212 Tractor. It includes detailed, step-by-step instructions with illustrations, drawings, and photos, covering engine specifications, power train components, and the electrical system with included wiring diagrams. The manual also features an advanced troubleshooting guide for general and electrical issues, a parts catalog, and safety warnings to ensure proper operation and longevity of the tractor.