The Komatsu PC200-7, a robust hydraulic excavator from the Dash 7 generation, is engineered for demanding construction and earthmoving applications. Powered by a Komatsu SAA6D102E-2 diesel engine with a gross power of 110 kW, this 20,300 kg machine offers impressive performance with a maximum digging depth of 6660 mm and a reach of 9880 mm at ground level. Its hydrostatic 4WD transmission ensures efficient power delivery, while the ROPS/FOPS compliant cab prioritizes operator safety. The PC200-7 is designed for reliability and productivity in a wide range of operational environments. This Workshop Service Manual provides comprehensive technical information for the Komatsu PC200-7 hydraulic excavator. It covers essential maintenance procedures, detailed troubleshooting guides, and critical technical specifications, including engine details, hydraulic system capacities, and operational dimensions. The manual is an indispensable resource for owners, mechanics, and technicians, enabling them to perform routine servicing, complex repairs, and ensure the optimal performance and longevity of their equipment. All content is presented in English for clarity and ease of use.