The International Harvester B414 is a versatile and robust tractor, produced during the 1960s, known for its reliable performance and solid construction. As part of International Harvester's esteemed 'B' series, this 4-cylinder diesel tractor offered approximately 40-45 horsepower and was designed for a wide range of agricultural tasks. Its engineering reflects the quality and durability that characterized International Harvester's commitment to farm equipment, making it a valuable asset for farmers and operators seeking dependable machinery. The B414's legacy is one of practicality and efficiency, contributing significantly to the brand's strong market position during its production years. This comprehensive service repair manual provides in-depth technical information essential for the maintenance, troubleshooting, and repair of the International Harvester B414. It covers all major systems, including the engine, fuel, cooling, lubrication, transmission, power take-off, hydraulics, steering, braking, electrical, front and rear axles, and body/chassis. Detailed procedures for inspection, disassembly, assembly, overhaul, adjustment, and repair are included, along with diagnostic flowcharts and technical specifications. This manual is designed for professional technicians and knowledgeable owners, offering the critical knowledge needed to ensure the operational efficiency and longevity of the B414 tractor.