They are available as naturally aspirated engines, engines with exhaust gas turbocharger or with exhaust gas turbocharger and charge air cooler. They are also equipped win Bosch direct fuel injection. The engines high specific power output and low noise level ensure soft, quiet operation, low fuel consumption, long service life, and minimum maintenance.
Easy access is available to all parts requiring maintenance.
The crankcase and cylinder block are cast in one piece in gray cast iron. Wet replaceable cylinder liners and generous wall thickness and functional ribbing ensure stability under the most rigorous testing conditions. The cylinder heads are of a cross-flow design for each cylinder with integral swirl intake and exhaust ducts on opposite sides. Valve actuation is performed via tappets, push rods and rocker arms. 6-cylinder engines have a torsional vibration damper mounted at the front of the engine.