The Hitachi Zaxis 27U-2 is a compact excavator designed for efficient operation in various construction and landscaping environments. Engineered for reliability and performance, this machine features a robust Isuzu 3LD1 diesel engine, delivering 27.2 HP for demanding tasks. Its hydrostatic drive transmission provides smooth, two-speed operation, enhancing maneuverability and control. With an operating weight of 2670 kg and a standard bucket capacity of 0.05 m³, the Zaxis 27U-2 is a versatile tool for digging, trenching, and material handling, offering a balance of power and precision. This Workshop Service Repair Manual provides comprehensive guidance for the Hitachi Zaxis 27U-2 excavator. It covers essential maintenance procedures, including engine oil change intervals and fluid capacities, alongside detailed technical specifications for the engine, transmission, and hydraulic systems. Troubleshooting information and safety guidelines are also included to assist owners, mechanics, and technicians in maintaining the optimal performance and longevity of the equipment. This manual is an indispensable resource for ensuring the Zaxis 27U-2 operates safely and efficiently.