The Komatsu PC220-5 represents a robust and reliable tracked excavator designed for demanding construction and earthmoving applications. This Dash-5 Series model is engineered with a powerful Komatsu S6D105-1 diesel engine, delivering substantial performance with its 8.27-liter displacement, producing up to 116 kW (155 HP) and 637 Nm (470 lb-ft) of torque. Its hydrostatic transmission and tracked drive system provide excellent maneuverability and stability on various terrains, while its substantial operating weight of 21,800 kg (48,060 lbs) underscores its heavy-duty capabilities. Notable operational features include a maximum digging depth of 6.67 meters and a generous digging reach of 9.87 meters, making it a versatile tool for excavation projects. This comprehensive Full Service Repair Manual in English provides essential information for the maintenance and repair of the Komatsu PC220-5. It covers critical areas including detailed procedures for engine and hydraulic system maintenance, component repair, troubleshooting common issues, and understanding technical specifications. The manual is designed to assist owners, technicians, and mechanics in ensuring the longevity and optimal performance of their equipment. With extensive coverage, it details capacities for engine oil, hydraulic system oil, and coolant, along with guidance on filter replacement intervals, enabling effective upkeep and proactive servicing.