This manual covers the Hitachi Zaxis 270 excavator, a robust piece of equipment designed for demanding construction and earthmoving applications. Engineered for reliability and performance, the Zaxis 270 features a powerful Isuzu AH-4HK1X diesel engine with a displacement of 5.194 L, delivering 140 kW (188 HP) of power. Its hydrostatic transmission and tracked drive system provide excellent maneuverability and stability on various terrains. With an operating weight of approximately 26,100 kg and a bucket capacity of 1.0 m³, this excavator is built to handle significant workloads efficiently. This comprehensive Factory Service Repair Manual provides essential information for the maintenance and repair of your Hitachi Zaxis 270 excavator. It details critical procedures, technical specifications, and troubleshooting guidance for owners, mechanics, and technicians. Covered topics include engine and hydraulic system servicing, undercarriage maintenance, and performance capabilities. Adhering to the guidelines within this manual will help ensure the longevity, optimal performance, and safe operation of your equipment.