This comprehensive International Harvester Tractor 986 Repair Service Manual is designed to be your ultimate guide for maintaining and repairing your tractor. It's prepared primarily for professional technicians but offers enough detail for do-it-yourself mechanics and anyone looking to perform repairs and maintenance procedures on their International Harvester Tractor 986. The manual assumes a basic understanding of electrical and mechanical concepts. However, those without significant experience should avoid attempting complicated repairs, as they may compromise the safety of the vehicle. Always consult this repair manual before attempting any service, as it will guide you through the process with detailed instructions and guidance. This service manual provides step-by-step instructions for maintaining and repairing your International Harvester Tractor 986. Its content is comparable to factory service manuals and owner's manuals, covering a wide range of topics: * **Step-by-step repair procedures:** Learn how to fix common issues with your tractor effectively. * **Critical specifications:** Find detailed measurements and technical information to ensure proper repairs. * **Illustrations and pictures:** Visually understand each step of the repair process for clarity. * **Maintenance, disassembly, assembly, cleaning, and reinstalling procedures:** Covering all aspects of maintaining and repairing your tractor in detail. By using this repair manual, you will gain a deeper understanding of your International Harvester Tractor 986, enabling you to make informed decisions about its maintenance and repair.

The International Harvester 986 is a powerful and versatile tractor that was manufactured by International Harvester from 1962 to 1975. It was known for its robust construction, reliable performance, and wide range of applications. The 986 was powered by a 6-cylinder, naturally aspirated diesel engine that produced approximately 125 horsepower. It featured a 4-speed transmission with a 2-speed auxiliary transmission, providing a total of eight forward and two reverse gears. The tractor's hydraulic system offered ample lifting capacity, making it suitable for various agricultural tasks like plowing, discing, planting, and harvesting. It also found widespread use in construction, forestry, and other industries. The 986's design emphasized durability and ease of maintenance, contributing to its longevity and popularity among farmers and operators. The IH 986 was renowned for its user-friendly controls and comfortable operator environment. It featured a spacious cab with a well-designed dashboard, offering a clear view of the surroundings. The tractor's suspension system provided a relatively smooth ride, minimizing operator fatigue during long work hours. The 986's versatility was further enhanced by its ability to accommodate a wide selection of implements, including plows, cultivators, harrows, mowers, and loaders. This adaptability made it a valuable asset for a diverse range of operations. Its reliable performance and rugged construction made it a popular choice for farmers, contractors, and other professionals who relied on equipment that could withstand demanding conditions. The International Harvester 986, with its combination of power, versatility, and reliability, became an iconic tractor that left an enduring legacy in the agricultural and industrial landscape.