The International Harvester B-275 is a robust utility tractor, produced approximately between 1958 and 1967. Renowned for its durability and reliable performance in demanding agricultural conditions, this diesel-powered machine features a 4-cylinder, 144 cubic inch (2.36 Liter) engine delivering around 35-40 PTO horsepower. Its versatile application in farming, cultivation, and hauling, coupled with a constant mesh gearbox offering 8 forward and 2 reverse speeds, made it a staple for farmers and agricultural technicians. The B-275 is recognized for its workhorse capability, embodying the strong heritage of International Harvester's agricultural equipment. This comprehensive Service Repair Manual (WSM) in English provides detailed information for the maintenance and repair of the International Harvester B-275. It covers essential systems including the engine, fuel, cooling, exhaust, transmission, rear axle, hydraulics, PTO, steering, braking, and electrical systems. The manual includes procedures for scheduled maintenance, troubleshooting common issues, component repair, and full system overhauls. Technical specifications, torque values, and wiring diagrams are also provided, ensuring that owners, mechanics, and technicians have the necessary resources to keep this dependable tractor in optimal working condition.