The Hitachi ZAXIS ZX240-3 is a robust excavator engineered for demanding construction and earthmoving applications. Featuring a powerful ISUZU AH-6HK1XSYAA direct injection, water-cooled, 4-cycle diesel engine producing 140 kW (188 HP) at 2000 rpm, this machine offers exceptional performance and efficiency. Its design prioritizes reliability and durability, with a substantial operating weight of 23,700 kg and dimensions optimized for stability and reach, including a maximum digging depth of 6,610 mm and a maximum reach of 9,940 mm. The ZAXIS ZX240-3 is built to meet stringent EPA Tier 3 and EU Stage IIIA emission standards, reflecting a commitment to environmental responsibility alongside operational excellence. This Service Repair Manual provides comprehensive guidance for the Hitachi ZAXIS ZX240-3. It covers essential maintenance procedures, including detailed specifications for fluid capacities and filter replacement intervals, alongside in-depth troubleshooting steps and technical data. Owners, mechanics, and technicians will find the information necessary to perform routine upkeep, diagnose issues, and ensure the optimal performance and longevity of their equipment. The manual's clear instructions and technical details are designed to facilitate efficient and accurate service, reinforcing the machine's reputation for quality and dependability.