The Hitachi Zaxis 30U-2 is a compact excavator engineered for efficiency and reliability in a variety of construction and landscaping applications. This model features a robust ISUZU 3LD1 engine, delivering 20.5 kW of gross power, and a hydrostatic transmission with a 2-speed travel system for versatile operation. With an operating weight of 3040 kg and a standard bucket capacity of 0.04 m³, the Zaxis 30U-2 is designed for precision work in confined spaces, offering impressive digging depth and reach. Its Tier 2 / Stage II emission standards reflect a commitment to environmental considerations. This Workshop Service Repair Manual provides comprehensive guidance for the Hitachi Zaxis 30U-2 excavator. It covers essential maintenance procedures, including fluid capacities and service intervals for engine oil, coolant, hydraulic oil, and fuel. The manual details technical specifications for the engine, transmission, hydraulic system, and undercarriage, along with dimensions and performance data. Troubleshooting information and safety guidelines are also included, empowering owners, mechanics, and technicians to effectively maintain, service, and repair the equipment, ensuring optimal performance and longevity.