This manual covers the Komatsu PC03-2, a compact excavator from the PC03 Series, designed for various construction and utility tasks. Engineered for reliability and efficiency, this model features a robust diesel engine and a hydrostatic transmission with 4WD, providing dependable performance in demanding environments. Its compact design makes it suitable for tight job sites, offering versatility and ease of operation. The Workshop Service Repair Manual provides comprehensive guidance for maintaining and repairing the Komatsu PC03-2. It details essential procedures, including engine and hydraulic system maintenance, fluid capacities, and service intervals. This resource is invaluable for owners, technicians, and mechanics seeking to ensure the optimal performance and longevity of their equipment through accurate troubleshooting and repair information.