The Hitachi Zaxis 250LCH-3 is a robust excavator from the 3 Series generation, engineered for demanding construction and earthmoving applications. This model features a powerful 6.7-liter Cummins QSB6.7 diesel engine, delivering approximately 177 horsepower through a common rail direct injection fuel system. Its hydrostatic transmission with a 2-speed travel drive system ensures efficient power delivery and maneuverability on job sites. With an operating weight of around 25,000 to 26,000 kg and impressive digging capabilities, including a maximum digging depth of 6,620 mm and a reach of 9,940 mm at ground level, the Zaxis 250LCH-3 is built for productivity and reliability. This comprehensive Service Repair Workshop Manual in English provides essential information for mechanics and technicians. It covers a wide range of topics, including detailed maintenance procedures for critical components such as the engine, hydraulic system, and cooling system, with specifications for oil and coolant capacities. The manual also delves into technical specifications, performance metrics like digging force and swing speed, and troubleshooting guidance. Its purpose is to equip users with the knowledge necessary to effectively maintain, service, and repair the Hitachi Zaxis 250LCH-3, ensuring optimal performance and longevity.