The Hitachi Zaxis 270-3 is a robust hydraulic excavator from the Zaxis-3 Series, engineered for demanding construction and earthmoving applications. This model features a powerful HINO J08E-UT diesel engine, delivering 140 HP net power and 520 Nm of peak torque, coupled with a hydrostatic transmission for efficient power delivery to its tracked undercarriage. With an operating weight of 26,500 kg and impressive digging capabilities, including a maximum depth of 6.67 meters and a reach of 10.03 meters, the Zaxis 270-3 is designed for productivity and reliability in various operational environments. This Service and Repair Manual provides comprehensive guidance for the Hitachi Zaxis 270-3 hydraulic excavator. It covers essential maintenance procedures, detailed repair instructions, technical specifications, and safety protocols necessary for optimal performance and longevity. This manual is an indispensable resource for owners, technicians, and mechanics, enabling them to perform routine servicing, diagnose issues, and execute repairs effectively, ensuring the continued operational efficiency and safety of the equipment.