The Hitachi Zaxis 230 is a robust excavator from the Zaxis Series, engineered for demanding construction and earthmoving applications. This model features a powerful diesel engine with approximately 160 horsepower and a common rail direct injection fuel system, paired with a hydrostatic transmission for efficient power delivery to its hydraulic motor-driven track drive. Its substantial operating weight, reaching up to 25,000 kg, and impressive digging capabilities, including a maximum depth of 6.5 meters and a standard bucket capacity of 1.0 m³, make it a reliable and versatile machine for various heavy-duty tasks. This Workshop Service Manual provides comprehensive guidance for the maintenance and repair of the Hitachi Zaxis 230 excavator. It covers essential procedures, technical specifications, and troubleshooting information designed for professional technicians. Within these pages, you will find details on fluid capacities, recommended service intervals for critical components like engine and hydraulic oil filters, and operational data. This manual serves as an indispensable resource for ensuring the optimal performance, longevity, and safe operation of your Zaxis 230.