The Komatsu PC200-5 and PC200LC-5 are robust excavators from the 5 Series, engineered for demanding construction and earthmoving applications. These machines are powered by a Komatsu 6D105-1 diesel engine, delivering 148 net horsepower, and feature a hydrostatic transmission for efficient operation. With an operating weight of 19,700 kg and a bucket capacity of 0.8 m³, they are designed for reliability and performance in various work environments, offering a maximum digging depth of 6.75 meters and a maximum reach of 9.85 meters. This Service Manual provides comprehensive guidance for the maintenance and repair of the Komatsu PC200-5 and PC200LC-5 excavators. It covers essential information including detailed technical specifications, engine and hydraulic system diagnostics, undercarriage maintenance, and fluid capacity charts. The manual is intended to assist owners, technicians, and mechanics in understanding the machine's systems, performing routine maintenance, troubleshooting issues, and ensuring the longevity and optimal performance of their equipment.