This Service Repair Manual covers the Komatsu PC200-6 Dash 6 excavator, a robust machine engineered for demanding construction and excavation tasks. Featuring a powerful Komatsu S6D102E-1 Diesel engine with a displacement of 5.883 Liters, this excavator delivers 100 kW (134 HP) of power. Its design emphasizes reliability and efficiency, with a hydrostatic transmission providing smooth operation and a 2-speed travel system for versatile maneuverability. The PC200-6 is built to handle significant workloads, evidenced by its operating weight of 19950 kg and impressive digging capabilities, including a maximum digging depth of 6700 mm and a reach of 9890 mm. This comprehensive manual provides detailed information essential for the maintenance, repair, and optimal performance of your Komatsu PC200-6 Dash 6. It includes in-depth coverage of all major systems, from the engine and hydraulics to the drivetrain and chassis. Owners, technicians, and mechanics will find step-by-step procedures for routine maintenance, troubleshooting common issues, and performing complex repairs. Technical specifications, fluid capacities, and safety guidelines are also thoroughly documented, ensuring that all work is performed correctly and safely, thereby extending the service life of the equipment.