High Power Komatsu SAA6D170E Engine Powerful turbocharged and air-to-air aftercooled Komatsu SAA6D170E-5 engine provides 502 kW 672 HP. This Komatsu SAA6D170E engine actualizes high-power to low fuel consumption with the optimum fuel injection by electronic heavy duty HPCR (High Pressure Common Rail) fuel injection system. Large Digging Force Thanks to the high engine output and an excellent hydraulic system, this machine demonstrates powerful digging force. Maximum arm crowd force (ISO): 412 kN 42.0 ton Maximum bucket digging force (ISO): 479 kN 48.8 ton