This workshop service repair manual covers the International Harvester 454 tractor, a robust and versatile machine known for its reliability in agricultural applications. As a key model in the International Harvester lineup, the 454 embodies the brand's heritage of durable and functional farm equipment. This manual provides comprehensive information designed to assist owners and operators in maintaining their tractor's performance and longevity. The purpose of this manual is to offer detailed guidance on the service and repair of the International Harvester 454. It includes step-by-step repair procedures, troubleshooting advice, and electrical diagnostics with wiring diagrams. Coverage extends to essential systems such as the engine, fuel, suspension, clutch, transaxle, driveshaft, steering, and brakes, as well as body and electrical systems. This extensive resource, complete with detailed illustrations and specifications, is an invaluable tool for ensuring the proper functioning and maintenance of your tractor.