This service repair manual covers the Hitachi Excavator Zaxis series, including models 200, 225USR, 225US, 230, and 270. These excavators are engineered for robust performance and reliability in demanding construction and earthmoving applications. Their design prioritizes operational efficiency and durability, making them a trusted choice for professional use. This comprehensive manual provides essential information for maintaining and repairing your Hitachi excavator. It details various maintenance procedures, troubleshooting guides, technical specifications, and safety protocols. By utilizing this resource, owners, mechanics, and technicians can ensure optimal performance, longevity, and safe operation of their Zaxis excavator.