The Komatsu PC27R-8 Hydraulic Excavator, designed for robust performance and reliability, is engineered to meet the demands of various construction and utility applications. This model, identified by serial numbers F31103 and up, features a powerful Komatsu 4D88E-6 diesel engine, delivering 23.4 kW (31.4 HP) of net power, coupled with a responsive hydrostatic, 2-speed automatic travel system for efficient maneuverability. Its compact dimensions, including a width of 1500 mm and an operating weight of 2670 kg, make it suitable for tight job sites, while its durable construction ensures longevity and consistent operation. This Workshop Service Repair Manual and Operation & Maintenance Manual provides comprehensive guidance for the Komatsu PC27R-8. It covers essential information for owners, operators, and technicians, including detailed maintenance schedules, fluid capacity specifications, lubrication requirements, and troubleshooting procedures. The manual also includes technical specifications for the engine, hydraulic system, and dimensions, enabling proper upkeep and repair to ensure the excavator's optimal performance and extended service life.