This workshop service repair manual covers the HITACHI 210K-3 HYDRAULIC EXCAVATOR. It is designed to provide comprehensive information for the operation, maintenance, and repair of this heavy machinery. The HITACHI 210K-3 is engineered for robust performance in demanding construction and excavation environments, emphasizing durability and operational efficiency. This manual serves as an essential resource for technicians and mechanics, detailing critical maintenance procedures, diagnostic troubleshooting steps, and technical specifications. Its purpose is to ensure the longevity and optimal performance of the HITACHI 210K-3 HYDRAULIC EXCAVATOR through accurate and thorough guidance, facilitating effective upkeep and repair.