The B-275 Tractor, produced from 1958 to approximately 1961, represents a significant model in agricultural history, known as a compact utility tractor offering a balance of price and performance. This diesel-powered machine, typically featuring a BD-144 or BD-154 engine delivering around 35-40 PTO horsepower, was designed for a variety of agricultural tasks. Its robust engineering and reliability made it a popular choice for farmers during its era. This manual focuses on the electrical equipment, a critical system for the tractor's operation, covering essential components like the generator, control box, cold starting system, starter motor, and lighting system. This comprehensive service repair manual is designed to provide owners, operators, and mechanics with the necessary technical data for maintaining and repairing the electrical systems of the B-275 Tractor. It offers detailed procedures for tune-ups, regular maintenance, and servicing of all electrical components, including specific instructions for testing and repair. The manual includes troubleshooting charts to aid in diagnosing electrical issues, along with manufacturers' specifications, detailed illustrations, exploded diagrams, and comprehensive electrical schematics. Its searchable and bookmarked format ensures efficient information retrieval, making it an invaluable resource for preserving the longevity and operational efficiency of the B-275 tractor.