This manual covers the HITACHI 250H-3 HYDRAULIC EXCAVATOR. It is designed to provide comprehensive information for the operation, maintenance, and repair of this heavy-duty equipment. The HITACHI 250H-3 is engineered for demanding construction and industrial applications, offering robust performance and reliability. Its advanced hydraulic system and durable construction ensure efficient operation in challenging environments, making it a valuable asset for any project. The purpose of this workshop service repair manual is to equip technicians, mechanics, and owners with the knowledge necessary to maintain the HITACHI 250H-3 HYDRAULIC EXCAVATOR in optimal working condition. It details essential procedures, technical specifications, and troubleshooting guidance. By following the information provided, users can ensure the longevity, safety, and peak performance of their equipment, minimizing downtime and maximizing productivity.