This factory service repair manual provides comprehensive information for Case IH 685 and 885 tractors, likely produced in the 1980s and early 1990s. These robust diesel tractors, known for their reliability in agricultural applications, offer a range of configurations with estimated horsepower between 60-90 HP. They are designed for demanding work, featuring durable components such as likely synchronized gearboxes, hydraulic systems, and power-assisted steering. The manual covers essential systems including the engine, lubrication, cooling, fuel, clutch, transmission, drivetrain, brakes, front and rear axles, steering, and bodywork, ensuring owners and operators can maintain these workhorses effectively. This manual serves as an indispensable resource for Case IH 685 and 885 tractor owners, operators, and mechanics. It offers factory-level detail with step-by-step instructions, numbered procedures, and detailed substeps for disassembly, servicing, repair, and rebuilding of all major components. Key areas covered include routine maintenance, advanced troubleshooting, and detailed system diagnostics, supported by numerous illustrations, diagrams, and photos. The manual also provides critical safety information, wiring diagrams, and technical specifications, enabling efficient and accurate maintenance and repair, ultimately helping to save on labor costs and ensure the longevity of the tractor.