This manual covers the Hitachi Zaxis series excavators, including models ZX200, ZX225, ZX230, and ZX270. These machines are engineered for demanding construction and excavation tasks, offering robust performance and reliability. Their design emphasizes efficient operation and durability, making them a valuable asset for a wide range of professional applications. The series features advanced hydraulic systems and powerful diesel engines, tailored to deliver optimal productivity and power across various job site conditions. This comprehensive Service and Repair Workshop Manual provides essential information for maintaining and repairing your Hitachi Zaxis excavator. It details routine maintenance procedures, lubrication schedules, filter replacements, and technical specifications for engine and hydraulic systems. The manual includes step-by-step instructions, detailed diagrams, and troubleshooting guidance to assist owners, mechanics, and technicians in ensuring the longevity and optimal performance of their equipment.