This comprehensive service repair manual is specifically designed for the IH International Harvester 986 and 1086 tractors, providing detailed instructions for both the novice and experienced mechanic. It covers a wide range of components, enabling you to perform repairs and maintenance with confidence. The manual includes detailed instructions for each procedure, accompanied by hundreds of images and illustrations to guide you through every step. You'll find information on key components such as the brakes, cab, clutch, engine, cooling system, diesel fuel system, diesel turbocharger, differential, electrical system, final drive, front system, hydraulic system, multiple control valve, power steering system, power take-off, service data, torque amplifier, transmission brake, transmission range, transmission speed, and more. This invaluable resource will help you keep your tractor operating smoothly and efficiently, saving you time and money in the long run.

The International Harvester 986 and 1086 tractors, produced by the International Harvester company, were powerful and versatile agricultural machines that reigned supreme in the farm fields during the 1960s and 1970s. These tractors were renowned for their durability, reliability, and ease of maintenance, making them a favorite choice among farmers and ranchers. The 986 model, equipped with a 6-cylinder, 261 cubic-inch diesel engine, generated 90 horsepower, while the 1086 offered an impressive 110 horsepower thanks to its larger, 345 cubic-inch engine. Both models shared a robust design, featuring a sturdy cast-iron frame and a well-balanced weight distribution that provided exceptional stability and traction, even in challenging terrain. The 986 and 1086 tractors were designed for a wide range of agricultural tasks. Their powerful engines and versatile transmissions allowed them to handle heavy-duty plowing, disking, and cultivating, while their multiple hydraulic outlets facilitated the operation of implements like balers, combines, and manure spreaders. The tractors' comfortable cabs offered excellent visibility and ergonomic controls, ensuring a pleasant and productive experience for operators. The international Harvester 986 and 1086 tractors left a lasting legacy in the agricultural industry, earning a reputation for their dependability and performance. Their ability to withstand the rigors of farm work and their ease of maintenance contributed to their enduring popularity. Even today, these classic tractors continue to be valued by enthusiasts and collectors, a testament to their timeless design and enduring quality.