This manual covers the Hitachi ZAXIS ZX 200, ZX 225, ZX 230, and ZX 270 series excavators, which are heavy construction equipment designed for demanding operational environments. These machines are engineered for reliability and efficiency, offering robust performance for a wide range of earthmoving and construction tasks. Their advanced design and durable construction ensure consistent operation and longevity in challenging conditions. This complete official full service repair manual provides comprehensive documentation for all models and repairs, covering engine, transmission, drivetrain, braking, steering, hydraulic, and electrical systems. It includes detailed technical data, diagrams, illustrations, part lists, wiring schematics, and step-by-step instructions to assist owners, mechanics, and technicians in maintaining and repairing these excavators. The manual is presented in English and is fully printable, allowing for targeted access to necessary information.