The International Harvester 424 tractor, a robust utility vehicle produced during the 1960s, represents a significant part of IH's agricultural machinery legacy. Known for its reliability and versatility in farm tasks, the 424 embodies the engineering quality that defined International Harvester. This tractor was designed to meet the demanding needs of agricultural operations, offering dependable performance and a focus on practical functionality for a wide range of applications. This comprehensive factory service repair manual provides in-depth coverage for all aspects of the International Harvester 424 tractor. It is meticulously organized to assist owners, mechanics, and technicians in maintaining, diagnosing, and repairing the vehicle. The manual includes detailed procedures for engine, drivetrain, chassis, and electrical systems, alongside routine maintenance schedules, troubleshooting guides, and essential technical specifications. With hundreds of pages of detailed instructions, illustrations, and diagrams, this resource ensures that users have access to factory-level knowledge for effective upkeep and restoration.