This repair service manual covers the International Harvester B-275 Tractor, a robust and reliable machine produced primarily between the late 1950s and early 1960s. International Harvester, a manufacturer with a strong legacy in agricultural and industrial equipment, designed the B-series tractors to be modern and effective. The B-275, in particular, was a popular model known for its solid engineering and contribution to agricultural productivity. This manual is intended for owners, DIY mechanics, and professional repair shops seeking comprehensive documentation for this historically significant tractor. This workshop repair service manual provides extensive coverage for all models, engines, trims, and transmission types of the International Harvester B-275 Tractor. It details routine maintenance, lubrication schedules, and offers professional-level information for advanced troubleshooting and repair. The manual covers critical systems including the engine, drivetrain, chassis, electrical, and hydraulic systems, with step-by-step procedures, detailed illustrations, and essential specifications. Its comprehensive scope ensures that users have the necessary resources to maintain and repair their B-275 tractor effectively, saving time and money.