This manual covers the International Harvester (IH) / Case IH 784 Tractor, a robust utility tractor known for its durability and performance in agricultural applications. Building on the legacy of International Harvester, the 784 tractor embodies the brand's commitment to reliable machinery. This comprehensive guide is designed to assist owners and technicians in understanding and maintaining this capable machine, ensuring its longevity and optimal performance throughout its operational life. This document provides a complete resource for the IH International Case 784 Tractor, consolidating three essential manuals: a Dealer Service Workshop Manual, a Shop Manual, and an Operator's/Owner's Manual. It details extensive coverage of all core mechanical and electrical systems, including the engine, fuel, cooling, lubrication, transmission, differential, rear axle, brakes, steering, clutch, PTO, and hydraulic systems. Furthermore, it offers in-depth troubleshooting guides, detailed repair procedures, technical specifications, and essential operating instructions, making it an indispensable tool for efficient maintenance, accurate repairs, and safe operation.