The Hitachi Zaxis 230 Excavator is a robust piece of construction equipment designed for demanding tasks. This model, powered by a diesel engine, features a hydrostatic transmission and is engineered for reliability and performance in various operational environments. Its substantial operating weight of approximately 23,000 kg and dimensions, including a length with bucket of about 9.9 meters, highlight its capability for significant earthmoving and material handling operations. This Service Repair Manual provides comprehensive guidance for the Hitachi Zaxis 230 Excavator. It covers essential areas such as general information, detailed breakdowns of the upper structure and undercarriage, front attachments, and the engine and accessory systems. The manual is intended to assist owners, technicians, and mechanics in performing maintenance, repairs, and troubleshooting, ensuring the continued optimal performance and longevity of the equipment.