The Komatsu PC27R-8 Series compact excavator, designed for robust performance and reliability, is a versatile machine engineered for a wide range of construction and landscaping applications. Featuring a powerful Komatsu 4D88E-6A diesel engine delivering 24.1 kW (32.3 hp), this excavator offers efficient operation with its hydrostatic transmission and 2-speed travel system. Its compact dimensions, including an operating weight of 2,770 kg (6,107 lb) and a width over tracks of 1,400 mm (4 ft 7 in), allow for maneuverability in confined spaces, while its sturdy construction ensures durability in demanding environments. This comprehensive Workshop Service Repair Manual provides detailed information for the maintenance and repair of the Komatsu PC27R-8 Series excavator, covering serial numbers F31103 and up. It includes in-depth sections on engine specifications, transmission systems, lubrication capacities, hydraulic performance, and undercarriage details. This manual is an essential resource for owners, technicians, and mechanics, offering step-by-step procedures, technical data, and troubleshooting guidance to ensure the optimal performance and longevity of the equipment.