This manual covers the Komatsu PC27MR-2 excavator, designed for efficient operation and reliability in various job site conditions. Built with robust engineering, this tracked diesel excavator features pilot-operated hydraulic controls and a ROPS/FOPS canopy or optional cab for operator safety. Its hydrostatic transmission ensures smooth power delivery, making it suitable for a wide range of excavation and material handling tasks. With an approximate operating weight of 2,710 kg, the PC27MR-2 balances compact maneuverability with substantial performance capabilities. This comprehensive Workshop and Operation manual provides essential information for maintaining and repairing your Komatsu PC27MR-2 excavator. It details critical procedures, technical specifications, and operational guidelines necessary for optimal performance and longevity. Owners, technicians, and mechanics will find detailed coverage on maintenance schedules, system capacities, and troubleshooting, ensuring the equipment remains in peak working condition. This manual is an indispensable resource for understanding and servicing your excavator.