This workshop repair service manual provides comprehensive information for the Hitachi Zaxis 230, a robust diesel-powered excavator designed for demanding construction and earthmoving applications. Engineered for reliability and performance, the Zaxis 230 features a hydrostatic transmission and an operating weight of approximately 23,000 kg, making it a capable machine for a wide range of tasks. Its versatile design allows for various configurations to suit specific job requirements. This manual serves as an essential resource for maintaining and repairing the Hitachi Zaxis 230. It covers critical areas including detailed maintenance procedures, troubleshooting guides, technical specifications, and safety protocols. Owners, technicians, and mechanics will find the English-language documentation invaluable for ensuring the optimal performance and longevity of their equipment, with coverage extending to all models and configurations.