The Komatsu PC200EN-6 Excavator represents a robust and reliable piece of heavy machinery, engineered for demanding construction and earthmoving tasks. Featuring a powerful Komatsu SAA6D102E-2 diesel engine with a net power output of 110 kW (148 HP), this tracked excavator offers exceptional performance with a hydrostatic transmission. Its substantial operating weight of 20,000 kg and a bucket capacity ranging from 0.81 to 1.2 m³ make it suitable for a wide array of applications, from site preparation to material handling. The machine's design prioritizes efficiency and durability, ensuring consistent operation in challenging environments. This Full Service Repair Manual provides comprehensive guidance for maintaining and repairing the Komatsu PC200EN-6 Excavator. It covers essential areas including detailed maintenance procedures for critical systems such as the engine, hydraulic system, and powertrain, alongside technical specifications and troubleshooting advice. Owners, operators, and service technicians will find the information necessary to ensure optimal performance, longevity, and safety of the equipment. The manual details capacities for engine oil, hydraulic oil, and coolant, as well as performance metrics like hydraulic system flow rate and pressure, and swing speed.