The Hitachi Zaxis ZX 280LC-3 is a robust excavator engineered for demanding construction and earthmoving applications. Built with a focus on reliability and performance, this model features a powerful Isuzu AH-6HK1X diesel engine, delivering 155 kW of gross power and 758 Nm of torque. Its hydrostatic transmission and two-speed travel motors ensure efficient operation across various terrains. With an operating weight ranging from 27,400 to 28,700 kg and impressive digging capabilities, including a maximum depth of 6,710 mm and a reach of 10,010 mm, the ZX 280LC-3 is designed to maximize productivity on the job site. This Workshop Service Manual provides comprehensive technical information for the Hitachi Zaxis ZX 280LC-3 excavator. It covers essential maintenance procedures, detailed troubleshooting guides, and critical technical specifications necessary for proper upkeep and repair. Owners, mechanics, and technicians will find detailed instructions on fluid capacities, service intervals, engine details, and performance data. The manual's extensive coverage, totaling 699 pages, is designed to assist in maintaining the optimal performance and longevity of the equipment.