The Kato HD2310-3 Hydraulic Excavator, part of the 3 Series, represents robust engineering designed for demanding operational environments. While specific production years are not detailed, this model is built with a focus on reliability and performance, featuring a high-performance hydraulic system and hydraulic pilot control for its functions. Its approximate operating weight is around 23,000 kg, indicating its capacity for significant construction and excavation tasks. This Service & Repair Workshop Manual, originating from the factory, provides comprehensive guidance for maintaining and repairing the Kato HD2310-3 Hydraulic Excavator. It covers all aspects of repair, servicing, and troubleshooting, offering detailed information with numerous pages, photos, and diagrams. This manual is an essential resource for owners, mechanics, and technicians to ensure the continued optimal performance and longevity of the equipment.