The Hitachi Zaxis 270 is a robust construction machine engineered for demanding tasks. Featuring a powerful diesel engine with approximately 140 kW (188 hp) of output and a displacement of around 7.18 liters, it is designed for efficiency and reliability in various operational environments. Its hydrostatic transmission and tracked configuration ensure excellent maneuverability and stability on challenging terrain. The machine's substantial operating weight of approximately 26,500 kg, coupled with a maximum digging depth of 6,710 mm and reach of 9,860 mm, highlights its capability for heavy-duty excavation and material handling. The inclusion of a ROPS-compliant cabin underscores Hitachi's commitment to operator safety and comfort. This Workshop Service Repair Manual provides comprehensive guidance for the maintenance and repair of the Hitachi Zaxis 270. It covers essential technical specifications, detailed maintenance procedures, lubrication requirements, and service schedules. Owners, technicians, and mechanics will find critical information on engine oil and hydraulic oil capacities, coolant levels, and filter change intervals. The manual also includes performance data related to the hydraulic system, such as digging depth and reach, enabling precise operation and upkeep. By following the instructions within this manual, users can ensure the optimal performance, longevity, and safety of their Zaxis 270 equipment.