... engine 4-stroke, direct injection combustion chamber, water-cooled, exhaust gas turbocharged, inlet air inter cooling Diesel ... change ratio (%)≤8(generator sets≤5)Cooling modePressurized water coolingLubrication modePress and spray lubricationStarting modeAir motor or ... .Structure type: 4-stroke, direct injection combustion chamber, water- cooled, exhaust gas turbocharged, inlet air inter cooling 4. ...