Cylinder bore 320 mm Piston stroke 480 mm Rated speed 600 rpm Mean effective pressure 2.53 MPa Mean piston speed 9.6 m/s Rated output 2665-4400 kw SFOC 183 g/kWh SLOC 0.8 g/kWh 1.Outstanding fuel economy and the emission compliant with IMO Tier II. 2.Adopt the modular design and engine block suspension structure, which improve the rigidity of engine with easy maintenance and good reliability 3.The turbocharger can be arranged at front end and back end and the power can be taken out from the front end and back end, which can satisfy various requirement. 4.can be operated on 380cSt/50â?? HFO for long time 5.Be of energy conservation and environmental protection and medium price, more than 200 sets of sold engines with the longest running time more than 35000hours. 6.Application: main propulsion with fixed pitch propeller or adjustable propeller, marine generating sets with electric propulsion system, marine generating sets and engineering equipment such as dredge pump, water pump and hydraulic system, and etc.