The Komatsu PC200-5 Mighty Hydraulic Excavator, part of the PC200-5 Series, represents robust engineering designed for demanding work. This excavator is powered by a water-cooled, diesel engine, the Komatsu S6D102E-1, with a displacement of 5.88 Liters and an approximate power output of 140 HP. Its hydrostatic transmission features variable speed control with two ranges, High and Low, managed by pilot-operated joystick controls, ensuring efficient operation. With an operating weight of approximately 20,000 kg and a maximum digging depth of around 6.63 meters, this machine is built for reliability and performance in various construction and excavation applications. This Workshop Service Repair Manual provides comprehensive technical information for the Komatsu PC200-5 Mighty Hydraulic Excavator. It covers essential maintenance procedures, including lubrication capacities for engine oil, hydraulic oil, and coolant, alongside guidance on service schedules. Detailed specifications for the hydraulic system, engine, and transmission are included, along with performance data such as maximum digging depth and reach. This manual is an indispensable resource for owners, mechanics, and technicians, offering the knowledge required to maintain, troubleshoot, and repair the equipment, ensuring its continued operational efficiency and longevity.