This manual covers the International Harvester Cadet 55, a light-duty utility tractor renowned for its compact size, maneuverability, and robust construction. Designed for groundskeeping, property maintenance, and small-scale farming, the Cadet 55 offers versatility through various attachment options. Its engineering prioritizes reliability and functional operation, making it a dependable choice for a wide range of tasks. This tractor line, produced by International Harvester, has a historical reputation for durability and utility, and the Cadet 55 exemplifies these qualities within its segment. This Service Repair Manual provides comprehensive technical information essential for the maintenance, diagnosis, and repair of the International Harvester Cadet 55. It details procedures for the engine, transmission, electrical system, hydraulic system, chassis, and bodywork. The manual includes in-depth coverage of engine overhaul, transmission repair, hydraulic lift adjustments, troubleshooting guides, preventive maintenance schedules, and electrical system diagnosis. Its purpose is to assist professional technicians and experienced DIY mechanics in preserving the operational integrity and extending the service life of the vehicle.