This manual covers the Komatsu Dash 6 series excavators, including the PC200-6, PC210-6, PC220-6, and PC230-6 models. These machines are engineered for demanding construction and earthmoving applications, featuring robust construction, reliable Komatsu SA6D102E engines with a displacement of 6.67 L, and efficient hydrostatic, electronically controlled transmissions. The PC200-6 model offers an approximate power output of 110 kW (148 HP), with power increasing for larger models. Designed for durability and performance, these excavators are equipped with features such as ROPS-equipped cabins and substantial operating weights, ranging from approximately 20,000 kg for the PC200-6 to 22,000 kg for the PC230-6. This comprehensive Shop Manual and Operation & Maintenance Manual provides essential information for the upkeep and repair of your Komatsu excavator. It details critical maintenance procedures, including engine oil and hydraulic oil capacities, and outlines recommended service intervals for components like air and fuel filters. Technical specifications cover engine details, hydraulic system performance, and undercarriage dimensions, ensuring precise understanding of the machine's capabilities. Safety guidelines and troubleshooting advice are also included, empowering owners, mechanics, and technicians to maintain optimal performance, ensure operational safety, and prolong the service life of these powerful machines.