The Hitachi Zaxis 280LC-3 is a robust excavator designed for demanding construction and earthmoving applications. Engineered for reliability and performance, this machine features a powerful Isuzu AH-6HK1X diesel engine, delivering 153 kW (205 hp) and meeting Tier 3 / Stage III emission standards. Its hydrostatic drive system with two forward and two reverse speed settings, combined with a substantial operating weight of 27,200 kg, ensures stability and efficiency across various job sites. The Zaxis 280LC-3 is built with quality components, including a variable displacement axial piston main pump for precise hydraulic control and a standard bucket capacity of 1.5 m³, making it a dependable choice for heavy-duty tasks. This Service Repair Workshop Manual provides comprehensive guidance for the Hitachi Zaxis 280LC-3 excavator. It covers all essential aspects of maintenance, repair, and technical specifications necessary to keep the machine operating at peak performance. Within these pages, you will find detailed procedures for routine maintenance, including engine oil and hydraulic filter replacement intervals, along with fluid capacity information. The manual also delves into the intricacies of the hydraulic system, powertrain, undercarriage, and other critical components. Its purpose is to equip owners, technicians, and mechanics with the knowledge required for accurate diagnostics, effective repairs, and optimal upkeep of this advanced excavator.