This manual covers the CASE IH 265, a product from a manufacturer with a long-standing reputation for robust engineering and serviceability in agricultural and construction equipment. The CASE IH 265 is designed for demanding operational environments, and this workshop service repair manual provides comprehensive information to ensure its optimal performance and longevity. It is intended to empower both mechanical technicians and owners who perform their own maintenance and repairs, enabling them to work on the vehicle with professional-level understanding and execution. The purpose of this manual is to serve as a definitive guide for the repair and overhaul of the CASE IH 265 and its associated components. It details procedures for routine maintenance, tune-ups, troubleshooting, and extensive repairs, covering critical systems such as the engine, drivetrain, fuel, ignition, lubrication, exhaust, and electrical systems, as well as bodywork. With clear instructions, diagnostic procedures, and emphasis on safety precautions, this manual aims to provide reliable information for all necessary service tasks, helping users maintain their vehicle effectively and economically.