The International Harvester 454 tractor, produced from 1971 to 1977, is a robust piece of agricultural equipment known for its utility and durability. As part of IH's established lineup, the 454 embodies the brand's long history in providing reliable machinery. This model represents a practical and dependable choice for various agricultural tasks, built with the quality and engineering that International Harvester is recognized for. This comprehensive workshop repair service manual provides in-depth technical information for all models and engine types of the International Harvester 454. It covers a wide array of systems, including engine, lubrication, cooling, fuel, clutch, transmission, drive chain, rear and front axles, brakes, steering, shocks, body work, intake/exhaust, hydraulic, and electrical systems. The manual details routine maintenance, disassembly, assembly, cleaning, reinstallation, advanced troubleshooting, diagnostics, and includes wiring diagrams, offering professional technician-level guidance for repair and upkeep.