The Hitachi Zaxis 200-3 is a robust Hydraulic Excavator from the Zaxis 3 Series, engineered for demanding construction and earthmoving applications. It features a powerful ISUZU AH-6BG1TRP diesel engine, a direct injection, turbocharger, intercooled, water-cooled unit displacing 6.37 liters and producing 110 kW (148 HP) at 2000 rpm. This excavator boasts a hydrostatic transmission for efficient power delivery and operates with a weight of approximately 20,000 to 21,500 kg. Its substantial dimensions, including an overall length of approximately 9.53 m with boom and arm, a width of 2.8 m, and a height to the top of the cab of 2.97 m, underscore its capability for significant work. This Factory Service Repair Manual provides comprehensive guidance for the Hitachi Zaxis 200-3 Hydraulic Excavator. It covers essential maintenance procedures, including detailed lubrication capacities for engine oil (25 Liters), hydraulic oil (200 Liters), and coolant (30 Liters), alongside service intervals of 50 hours for initial service and 250 hours for regular service. The manual also includes technical specifications, troubleshooting information, and safety guidelines, serving as an indispensable resource for owners, mechanics, and technicians to ensure optimal performance, reliability, and longevity of the equipment.