This Workshop Service Manual covers the Komatsu PC200-5 and PC200LC-5 Series excavators. These machines are engineered for robust performance and reliability in demanding construction and excavation environments. Featuring a powerful Komatsu S6D102E-1 engine producing 145 HP, a hydrostatic transmission, and substantial digging capabilities with a maximum depth of 6,520 mm, these excavators are built to handle a wide range of heavy-duty tasks. The PC200-5 has an operating weight of 20,800 kg, while the PC200LC-5 offers enhanced flotation with an operating weight of 21,900 kg. This comprehensive manual provides detailed information essential for the maintenance, repair, and troubleshooting of the PC200-5 and PC200LC-5 Series excavators. It includes in-depth procedures for all major systems, technical specifications, lubrication requirements, service intervals, and safety guidelines. This resource is designed to assist owners, technicians, and mechanics in ensuring the optimal performance, longevity, and safe operation of their Komatsu equipment.