The Komatsu PC220LC-6 is a robust crawler excavator designed for demanding construction and earthmoving applications. Part of the LC-6 Series, this machine features a powerful Komatsu SAA6D102E-2 diesel engine, delivering 122 kW (164 HP) of gross power, coupled with a sophisticated hydrostatic transmission for precise control. Its substantial operating weight of 21,780 kg and impressive dimensions, including a digging depth of up to 6700 mm, underscore its capability for significant work. Engineered for reliability and efficiency, the PC220LC-6 is built to perform under challenging conditions, making it a dependable asset for any heavy-duty project. This Service and Repair Manual provides comprehensive guidance for the Komatsu PC220LC-6. It covers essential maintenance procedures, detailed troubleshooting steps, critical technical specifications, and vital safety information. Intended for both DIY mechanics and professional technicians, this English-language manual offers the knowledge necessary to keep the excavator operating at peak performance. By following the instructions within, users can effectively maintain, service, and repair their PC220LC-6, ensuring its longevity and optimal functionality throughout its operational life.