This manual covers the Komatsu PC220-8 and PC220LC-8 excavators, part of the 8 Series generation. These machines are engineered for robust performance and reliability in demanding work environments. They feature a powerful Komatsu SAA6D102E-2-A turbocharged, intercooled, direct injection diesel engine with a displacement of 5.88 L, delivering a net power of 122 kW (164 HP) at 2000 rpm, meeting EPA Tier 3 and EU Stage IIIA emission standards. The hydrostatic transmission and 4-wheel drive system provide efficient power delivery, while the advanced digital hydraulic system ensures optimal operation. With an operating weight ranging from approximately 21,560 to 23,200 kg, these excavators are built for substantial work capacity. This comprehensive Shop Manual and Operation Manual, provided in English, details all aspects of the PC220-8 and PC220LC-8 excavators, serial numbers 70001 and up. It serves as an essential resource for owners, mechanics, and technicians, offering in-depth information on maintenance procedures, including fluid capacities and service intervals for engine oil and hydraulic oil filters. The manual also covers technical specifications, troubleshooting guidance, and safety protocols. By following the instructions and information within this manual, users can ensure the longevity, optimal performance, and safe operation of their Komatsu equipment.