The Hitachi Zaxis 270LC-3 is a robust hydraulic excavator engineered for demanding construction and earthmoving applications. Built with the reliability and performance synonymous with the Zaxis series, this model features a powerful Isuzu AH-4HK1X diesel engine, delivering 140 kW of net power. Its advanced hydraulic system, coupled with a substantial bucket capacity of 1.2 m³, ensures efficient operation for tasks ranging from excavation to material handling. With an operating weight of 26,700 kg and impressive digging capabilities, including a maximum digging depth of 6,630 mm, the Zaxis 270LC-3 is designed to maximize productivity on job sites. This Workshop Service Manual, presented in English, provides comprehensive technical information for mechanics and technicians. It covers essential maintenance procedures, detailed troubleshooting guides, and critical technical specifications for the Hitachi Zaxis 270LC-3 hydraulic excavator. With 699 pages of detailed content, the manual aims to facilitate effective upkeep and repair, ensuring the longevity and optimal performance of the equipment. Key areas addressed include engine details, drivetrain specifications, fluid capacities, and service intervals for routine maintenance.