This comprehensive service repair manual is a valuable resource for anyone looking to maintain and repair their IH International Harvester 786 886 tractor. Designed for both experienced mechanics and DIY enthusiasts, this manual provides detailed step-by-step instructions, accompanied by numerous photos and illustrations, to guide users through every service and repair procedure. Covering all aspects of the tractor, from the engine and transmission to the brakes, electrical system, and hydraulics, this manual is a one-stop shop for all your repair needs. You'll find in-depth information on: * **Brakes:** Troubleshooting and repair procedures for the braking system, ensuring safe and reliable stopping power. * **Cab:** Guidance on assembly, disassembly, and maintenance of the cab components, including doors, windows, and interior fixtures. * **Clutch and Engine:** Detailed instructions on clutch adjustment, engine overhaul, and troubleshooting common engine issues. * **Cooling System:** Comprehensive coverage of radiator maintenance, fan operation, and coolant system repair. * **Diesel Fuel System:** Detailed information on fuel injectors, fuel pumps, and fuel lines, ensuring efficient fuel delivery. * **Diesel Turbocharger:** Specific instructions on the turbocharger system, its operation, and troubleshooting any issues. * **Differential:** Step-by-step guidance on differential assembly, disassembly, and repair, for a smooth and reliable drivetrain. * **Electrical System:** Detailed wiring diagrams and troubleshooting procedures for the entire electrical system, from lights to the ignition. * **Engine:** Extensive coverage of engine operation, maintenance, and repair, including valve adjustments, piston replacement, and engine rebuild. * **Final Drive:** Thorough information on final drive assembly, disassembly, and repair, ensuring efficient power transfer to the wheels. * **Front System:** Detailed instructions on the front axle, steering components, and front wheel maintenance. * **Hydraulic System:** Comprehensive coverage of hydraulic system components, including pumps, valves, and cylinders, ensuring smooth and controlled operation. * **Multiple Control Valve:** Specific guidance on the operation and repair of the multiple control valve, essential for controlling hydraulic functions. * **Power Steering System:** Detailed instructions on power steering system maintenance and repair, ensuring smooth and responsive steering. * **Power Take-off:** Information on power take-off (PTO) operation, maintenance, and repair, for powering external equipment. * **Service Data:** Valuable reference information, including torque specifications, component dimensions, and service intervals, for accurate and efficient maintenance. * **Torque Amplifier:** Detailed instructions on the torque amplifier system, its operation, and troubleshooting any issues. * **Transmission Brake:** Comprehensive guidance on transmission brake operation, adjustment, and repair, for safe and controlled stopping power. * **Transmission Range:** Information on shifting the transmission through its various ranges, ensuring proper operation. * **Transmission Speed:** Detailed instructions on transmission gear ratios and proper speed selection for various tasks. This manual is an invaluable resource for anyone who wants to keep their IH International Harvester 786 886 tractor in top condition, saving you time and money by empowering you to handle repairs efficiently and confidently.

The IH International Harvester 786 and 886 tractors were powerful workhorses designed for a range of agricultural tasks. These models, produced by International Harvester from the mid-1970s to the early 1980s, were known for their robust construction and reliable performance. The 786, powered by a 6-cylinder diesel engine, delivered 100 horsepower, while the 886, with its larger 8-cylinder engine, boasted 135 horsepower. Both tractors featured a durable transmission system, offering a variety of gear ratios to adapt to different workloads. Their hydraulic systems provided ample lifting power for various implements, including plows, cultivators, and loaders. These tractors were a staple on farms across North America and beyond, contributing significantly to agricultural productivity. The IH International Harvester 786 and 886 tractors were built for longevity and reliability. Their heavy-duty components and robust design enabled them to withstand the rigors of demanding agricultural operations. The tractors featured a sturdy frame and suspension system, providing excellent stability and maneuverability. These features, combined with their powerful engines and efficient hydraulic systems, made them highly sought-after by farmers seeking reliable and efficient performance. The 786 and 886 models became renowned for their ability to handle a wide range of tasks, making them versatile tools for a variety of agricultural operations. Their iconic design and enduring performance cemented their place in the history of agricultural machinery.