This manual covers the Komatsu PC150-6K Hydraulic Excavator, serial numbers S/N 32001 and up. Engineered for demanding work environments, the PC150-6K exemplifies Komatsu's commitment to robust construction and reliable performance. Its tracked drive system, featuring components like final drive tracks and recoil springs, ensures stability and power across various terrains. The sophisticated hydraulic system, incorporating elements such as hydraulic pumps, control valves, and multiple cylinders for boom, arm, and bucket articulation, provides precise operational control. This excavator is designed for efficiency and durability in a wide range of construction and earthmoving applications. The Komatsu Service PC150-6K Shop Manual is a comprehensive resource designed to assist owners, mechanics, and technicians. It provides detailed servicing instructions, step-by-step repair procedures, preventative maintenance schedules, and troubleshooting guidance. The manual covers essential systems including the engine, powertrain, hydraulic system, work equipment, operator station, and electrical system. With detailed information on components like cylinder heads, radiators, track rollers, and various cylinders, along with hydraulic and electrical diagrams, this manual is an indispensable tool for maintaining the PC150-6K Hydraulic Excavator in optimal working condition.