The Hitachi Zaxis 250LCH-3 is a robust Hydraulic Excavator engineered for demanding construction and excavation tasks. Featuring a powerful ISUZU AA-6BG1TRP diesel engine, this model delivers impressive performance with 197 PS and 772 Nm of torque, supported by a reliable Hydraulic Drive (HST) transmission with Automatic Speed Control. Its substantial operating weight of 24,800 kg and comprehensive dimensions, including a maximum digging depth of 6630 mm and reach of 9900 mm, underscore its capability in various heavy-duty applications. The Zaxis 250LCH-3 is built for durability and efficiency, making it a valuable asset for any project requiring precision and power. This comprehensive Service Manual provides essential information for the maintenance and repair of the Hitachi Zaxis 250LCH-3 Hydraulic Excavator. It covers critical areas such as detailed engine specifications, hydraulic system parameters, and maintenance schedules for fluids and components. Mechanics and technicians will find in-depth procedures for troubleshooting, diagnostics, and component replacement, ensuring the optimal performance and longevity of the equipment. With 699 pages of technical data and guidance, this manual serves as an indispensable resource for all service-related needs.