The Hitachi Zaxis 210H-3 is a robust excavator engineered for demanding construction and earthmoving applications. Featuring a powerful Hino J05E-TA diesel engine with a displacement of 6.37 L, it delivers 110 kW (148 hp) of power at 2000 rpm. This model, part of the Zaxis-3 generation, is designed for reliability and efficient operation, boasting a hydraulic pilot control system with variable speed hydrostatic transmission. Its substantial operating weight of 20,900 kg and impressive digging capabilities, including a maximum digging depth of 6.61 m and a reach of 9.88 m, make it a versatile and high-performing machine in its class. This Workshop Service Manual provides comprehensive information for the Hitachi Zaxis 210H-3. It covers essential maintenance procedures, including fluid capacities and scheduled replacement intervals for filters, alongside detailed technical specifications for the engine, transmission, and dimensions. The manual also includes guidance on troubleshooting and repair, ensuring that owners, mechanics, and technicians have the necessary resources to maintain the vehicle's optimal performance and longevity. With 699 pages of detailed English content, this manual is an indispensable tool for the upkeep of your Zaxis 210H-3.