This service repair workshop manual provides comprehensive information for the Case IH 685. The Case IH brand has a long-standing reputation in agricultural machinery, and the 685 represents a specific generation of their utility tractors, building upon prior designs. This manual is designed to be an authoritative resource, offering vehicle-specific details identical to those used by dealer service departments. It covers all essential aspects of the tractor, ensuring owners and technicians have access to the highest quality information for maintaining and repairing this robust piece of equipment. The purpose of this manual is to equip owners, independent repair shops, and agricultural technicians with the knowledge necessary for effective maintenance and repair. It details engine repair, transmission service, hydraulic system diagnosis, electrical troubleshooting, drivetrain, braking, steering, cooling, fuel, and operator station systems. Included are step-by-step repair instructions, overhaul procedures, disassembly and assembly guides, diagnostic flowcharts, and critical specifications such as torque values and clearances. This comprehensive coverage, from basic maintenance to advanced diagnostics, is presented in English and is viewable on various digital devices, with the ability to print pages for practical use.