The International Harvester 786 Tractor, produced from approximately 1976 to 1981, represents a robust and reliable piece of agricultural machinery. As part of the esteemed 86-series, this tractor is recognized for its utility and power, featuring a likely International Harvester DT-466 diesel engine, often turbocharged, delivering approximately 70-90 horsepower. Its engineering prioritizes durability and performance for demanding farm work, with a focus on mechanical systems designed for longevity and efficiency. The 786 is a testament to International Harvester's heritage in agricultural innovation, built to empower users with dependable performance. This comprehensive service and repair manual provides all necessary information for maintaining and repairing your International Harvester 786 Tractor. It covers all aspects of repair and maintenance, including detailed procedures for engine service, drivetrain repair, chassis and electrical system work, and troubleshooting. You will find guidance on general maintenance, periodic lubrication, and in-depth repair instructions for engine, transmission, and hydraulic systems. The manual is designed to assist tractor owners, independent mechanics, and agricultural workshops in performing independent repairs, ensuring the continued optimal performance and longevity of the vehicle.