This manual covers the Komatsu PC600-7 and PC600LC-7 Hydraulic Excavators, designed for demanding construction and earthmoving applications. These machines are engineered for exceptional durability, powerful performance, and operational efficiency, featuring a robust construction and advanced hydraulic systems. The turbocharged, aftercooled, direct injection diesel engine provides substantial power for various tasks, while the hydrostatic transmission ensures precise control and smooth operation across different terrains. With a significant operating weight and impressive ground pressure, these excavators are built to tackle challenging job sites with reliability and productivity. This comprehensive Full Service Repair Manual provides detailed information essential for the maintenance, repair, and troubleshooting of your Komatsu Hydraulic Excavator. It includes in-depth coverage of all major systems, such as the engine, transmission, and hydraulic circuits, along with technical specifications, fluid capacities, and recommended maintenance intervals. This resource is designed to assist owners, technicians, and mechanics in performing routine servicing, diagnosing issues, and executing repairs accurately, ensuring the longevity and optimal performance of the equipment.