This workshop service repair manual covers the International Harvester Cub Cadet Tractor 126, produced from the late 1960s into the early 1970s. These tractors, part of the early Cub Cadet series, are recognized for their robust construction and versatility, making them suitable for homeowner tasks and small-scale farming. The Tractor 126 is equipped with a gasoline, 2-cylinder, horizontally opposed Kohler K-Series engine, typically ranging from 7 to 12 horsepower, paired with a manual 4-speed forward and 1-reverse gear transmission. Its design emphasizes reliability and straightforward operation, reflecting the engineering quality of International Harvester's agricultural and utility equipment. This comprehensive manual provides detailed information for maintenance, repair, overhaul, and troubleshooting of the International IH Cub Cadet Tractor 126. It includes in-depth guidance on engine systems, transmission, electrical, hydraulic, chassis, steering, braking, fuel, cooling, and ignition systems. Owners, DIY mechanics, and professional technicians will find step-by-step repair instructions, diagnostic procedures, wiring diagrams, and crucial technical specifications, including torque values and overhaul data. The manual is designed to be a professional technician-level resource, adaptable for do-it-yourself use, ensuring the longevity and optimal performance of your tractor.