The Hitachi ZX200-3, part of the ZX-3 Series, is a robust construction machine engineered for demanding operational environments. Powered by a 7.8-liter Isuzu AA-6HK1XQA diesel engine, it delivers 148 HP and 723 Nm of torque, supported by a hydrostatic variable transmission and all-wheel drive for optimal traction and control. With an operating weight of 20,700 kg and a standard bucket capacity of 1.0 m³, this excavator is designed for efficiency and reliability in a wide range of earthmoving and material handling tasks. Its construction emphasizes durability and performance, making it a dependable asset on any job site. This Service Repair Workshop Manual provides comprehensive guidance for the Hitachi ZX200-3. It covers essential maintenance procedures, including fluid capacities for engine oil, hydraulics, coolant, and fuel, alongside lubrication schedules. Detailed technical specifications for the engine, hydraulics, and dimensions are included, along with performance data such as travel and swing speeds. The manual also addresses safety features and system diagnostics, offering vital information for owners, technicians, and mechanics to ensure the proper upkeep, troubleshooting, and repair of the equipment.