This manual covers the Hitachi Zaxis 200, a robust excavator from the Zaxis Series. Engineered for demanding construction and earthmoving tasks, this machine features a powerful 6.69 L diesel engine delivering 110 kW (148 hp) and a hydrostatic transmission for precise control. Its substantial operating weight of approximately 20,000 kg, coupled with impressive digging capabilities including a maximum reach of 9.88 m and a depth of 6.71 m, makes it a reliable and efficient workhorse in its class. The purpose of this Service and Repair Manual is to provide comprehensive guidance for the maintenance and repair of the Hitachi Zaxis 200. It details essential procedures, technical specifications, and troubleshooting steps, covering all major systems from the engine and transmission to the hydraulic and attachment components. This manual is an indispensable resource for owners, technicians, and mechanics to ensure the optimal performance, longevity, and safety of the equipment.