Construction Machinery Qsb6.7 6 Cylinder Diesel Engine for Bulldozers Graders Detailed Photos Advantages High-Pressure Common Rail Electronic Fuel Injection: Fuel injection pressure reaches up to 1800 bar, resulting in more complete combustion and 80% lower idle noise compared to the older K50.Powerful and Reliable: 50-liter V16 cylinder, power output ranging from 1500-2183 horsepower, with ample torque reserves, suitable for heavy-duty continuous operations such as mining