This manual covers the Kato HD2310-3 Hydraulic Excavator, serial numbers 9478101 onwards. The HD2310-3 is engineered for demanding work, offering robust construction and reliable performance. Its design focuses on efficiency and durability, making it a dependable choice for various construction and excavation applications. This comprehensive Workshop Service Repair Manual in English provides detailed information for maintaining and repairing your Kato HD2310-3 Hydraulic Excavator. It includes essential sections on general data, specifications, working ranges, part names, lubrication, inspection and servicing procedures, safety precautions, and troubleshooting for both hydraulic and electrical systems. Detailed diagrams, including hydraulic and electrical circuit diagrams, along with information on component removal and mounting, are also provided to assist owners, mechanics, and technicians.