D4 - 175 hp D4 - 230 hp D4 - 270 hp D4 - 300 hp D4 - 320 hp Performance Crankshaft power 129 kW/175 hp 169 kW/230 hp 199 kW/270 hp 221 kW/300 hp 235 kW/320 hp Performance Rating 4 5 5 Performance Fuel Type Diesel Diesel Diesel Diesel Diesel Performance Displacement litres 3.7 litres 3.7 litres 3.7 litres 3.7 litres 3.7 litres Performance Displacement cui 224 in³ 224 in³ 224 in³ 224 in³ 224 in³ Performance Number of Cylinders 4 4 4 4 4 Performance Control System Electronic Vessel Control Electronic Vessel Control Electronic Vessel Control Electronic Vessel Control Electronic Vessel Control Performance High-pressure fuel injection Common-rail fuel injection Common-rail fuel injection Common-rail fuel injection Common-rail fuel injection Common-rail fuel injection Performance Aspiration Turbo with charge air cooler Turbo with charge air cooler Turbo with charge air cooler Turbo with charge air cooler Turbo with charge air cooler Details Cooling System Heat Exchanger Cooling, Keel Cooling Heat Exchanger Cooling, Keel Cooling Heat Exchanger Cooling, Keel Cooling Heat Exchanger Cooling, Keel Cooling Heat Exchanger Cooling, Keel Cooling Details Product Series 4 liter series 4 liter series 4 liter series 4 liter series 4 liter series