This comprehensive International Harvester 986 Tractor Repair Manual is designed for professional technicians and DIY mechanics alike. It provides detailed instructions and specifications for various repair and maintenance procedures for the International Harvester 986 Tractor. The manual is written in a clear and concise manner and includes step-by-step instructions, accompanied by illustrations and pictures, making it easy to understand and follow. Whether you need to perform a routine maintenance check, troubleshoot a problem, or conduct a complete overhaul, this manual has you covered. It covers a wide range of topics, including: * **Disassembly and Assembly:** Detailed instructions for taking apart and reassembling various components of the tractor, ensuring you can perform complex repairs with confidence. * **Cleaning and Reinstalling:** Clear guidance on how to properly clean and reinstall parts after repair or maintenance, ensuring optimal performance and longevity of your tractor. * **Maintenance Procedures:** This manual will guide you through routine maintenance tasks, such as engine oil changes, filter replacements, and other preventive measures, helping you keep your tractor in peak condition. * **Critical Specifications:** Important dimensions, tolerances, and other technical specifications are provided, ensuring you have the necessary data to perform accurate repairs and adjustments. This manual empowers you to understand and address a wide range of maintenance and repair tasks for your International Harvester 986 Tractor.

The International Harvester 986 is a legendary agricultural tractor that holds a significant place in the history of farming. Introduced in 1963, it was a powerful workhorse designed to tackle demanding tasks on large farms and ranches. Its rugged construction and dependable performance made it a popular choice for farmers across the globe. The 986 was powered by a robust International Harvester diesel engine, providing ample torque and horsepower to handle plowing, discing, harvesting, and other heavy-duty agricultural operations. Its robust transmission allowed for smooth shifting and efficient power delivery, ensuring efficient operation in varying terrains. The 986 also featured a comfortable operator station with controls designed for ease of use, promoting operator comfort and efficiency during long hours of work. The International Harvester 986's enduring popularity is a testament to its reliability and durability. Its robust design and high-quality construction have allowed many 986 tractors to remain in service for decades, serving as a testament to their engineering prowess. Even today, many 986 tractors are still in use on farms and ranches around the world. Their ability to handle heavy-duty tasks with ease and their impressive longevity have secured them a legacy as reliable and dependable workhorses. This service manual for the International Harvester 986 is designed to provide owners and mechanics with comprehensive guidance on maintaining and repairing this iconic tractor. It covers a wide range of topics, including engine maintenance, transmission repair, hydraulic system troubleshooting, and electrical system diagnostics. This information is essential for ensuring the proper operation and longevity of your 986 tractor, allowing you to continue to rely on its dependable performance for years to come.