PC450-7 is an iconic excavator type for Komatsu. Comparing to the PC450-8, PC450-7 has a more positive operating experience. The excavator PC450-7 is well known for its high productivity and low fuel consumption. The direct injection, turbocharged, and air-to-air aftercooled design of the engine allows PC450-7 to reach the net rated power 257kW/345HP. The