The International Harvester 986 Tractor All Service Repair Manual is a comprehensive resource designed to empower owners and mechanics with the knowledge to maintain and repair their tractors effectively. This manual covers a wide range of topics, providing detailed instructions and diagrams to guide users through every step of the process. From routine maintenance procedures to complex engine and transmission repairs, this manual offers a wealth of information. It covers essential aspects like general maintenance, troubleshooting common issues, and detailed servicing of the engine, transmission, brake system, electrical system, suspension, steering, cooling system, fuel injection system, emission system, engine control system, chassis, body, restraint system, and axles. This manual equips users with the necessary knowledge to perform a variety of tasks, including: * **General Maintenance:** Learn how to perform regular maintenance checks on your tractor, ensuring optimal performance and longevity. * **Troubleshooting:** Diagnose and resolve common problems, saving time and money on costly repairs. * **Engine Service:** Understand the intricacies of the engine, allowing you to perform maintenance tasks like oil changes, tune-ups, and more. * **Transmission Repair:** Master the workings of the transmission, enabling you to handle repairs and adjustments efficiently. * **Brake System Maintenance:** Ensure the safety and reliability of your brake system with comprehensive instructions on inspection, adjustment, and repair. * **Electrical System Troubleshooting:** Gain insight into the electrical system, allowing you to diagnose and repair electrical malfunctions. * **Suspension and Steering System Repair:** Learn how to maintain the suspension and steering system, ensuring a smooth and safe ride. * **Cooling System Service:** Understand the intricate workings of the cooling system and how to effectively maintain its functionality. * **Fuel Injection and Fuel System Repair:** Become proficient in servicing the fuel injection and fuel system, ensuring optimal fuel efficiency and performance. * **Emission System Maintenance:** Ensure your tractor meets environmental standards by understanding and maintaining the emission system. * **Engine Control System Repair:** Gain insight into the engine control system, enabling you to diagnose and resolve any issues. * **Chassis and Body Maintenance:** Learn how to properly inspect, maintain, and repair the chassis and body of your tractor. * **Restraint System Inspection:** Ensure your safety with detailed instructions on inspecting and maintaining the restraint system. * **Axle Service:** Master the intricacies of axle maintenance, ensuring smooth operation and long-lasting performance. This comprehensive manual is an invaluable resource for anyone looking to maintain and repair their International Harvester 986 Tractor. Whether you are a seasoned mechanic or a dedicated owner, this manual provides the knowledge and guidance necessary to keep your tractor running smoothly and efficiently.

The International Harvester 986 Tractor, a stalwart of the agricultural industry, was a versatile and powerful machine that made its debut in the late 1970s. This tractor, known for its robust construction and reliable performance, was a common sight on farms and construction sites across the globe. The 986 was powered by a six-cylinder, naturally aspirated diesel engine, the International DT466, renowned for its torque and durability. It delivered 135 horsepower (100 kW) to the wheels, making it well-suited for a wide range of agricultural tasks, including plowing, disking, planting, and harvesting. The 986 boasted a synchronized, constant-mesh transmission that offered a variety of gears for efficient operation in diverse conditions. It also featured a powerful hydraulic system that allowed for the use of a range of implements, enhancing its versatility. Beyond its core functionalities, the International Harvester 986 Tractor also offered the operator a comfortable and ergonomic workspace. The spacious cab provided a clear view of the surroundings, while the controls were designed for ease of use. The tractor's design emphasized safety and durability, with features like a roll-over protection structure (ROPS) and heavy-duty components, making it a dependable and long-lasting workhorse. The International Harvester 986 Tractor, with its combination of power, versatility, and user-friendliness, became a popular choice for farmers and contractors worldwide. While production of the 986 ceased in the early 1990s, many of these tractors continue to provide reliable service in farms and construction projects across the globe, standing as testaments to their robust design and enduring legacy.