WP12C series marine diesel engine performance parameters WP12C series marine diesel engine model WP12C450 WP12C400 WP12C350 engine type Water cooled, four stroke, direct injection, turbocharging and intercooling displacemen(L) 11.596 Bore / stroke(mm) 126/155 number of cylinders 6 valve train 4 mean effective pressure(MPa) 1,626 1,690 1,766 compression ratio 17:1 injection advance angle 14 10 10 fuel starting injection pressure (MPa) 30 Exhaust valve timing (°CA) bbdc 49°on，atdc 21° close Cylinder pressure(MPa) ≤16 specific fuel consumption(g/kW.h) ≤192 Lowest idle speed 600±50 The exhaust gas temperature after turbine(℃) ≤600 Smoke Rb ≤1.0 The direction of rotation (from the output end) Anti-clockwise Engine weight(kg) 1200 Size and shape (mm) 1717×836×1274