D6 DPI - 300 hp D6 DPI - 340 hp D6 DPI - 380 hp D6 DPI - 400 hp D6 DPI - 440 hp D6 DPI - 480 hp Performance Crankshaft power 221 kW / 300 hp 250 kW / 340 hp 280 kW / 380 hp 294 kW / 400 hp 324 kW / 440 hp 353 kW / 480 hp Performance Rating 4 4 4 5 5 5 Performance Fuel Type Diesel Diesel Diesel Diesel Diesel Diesel Performance Displacement litres 5.5 litres 5.5 litres 5.5 litres 5.5 litres 5.5 litres 5.5 litres Performance Displacement cui 336 in³ 336 in³ 336 in³ 336 in³ 336 in³ 336 in³ Performance Number of Cylinders 6 6 6 6 6 6 Performance Control System Electronic Vessel Control 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 Common-rail fuel injection Performance Aspiration Turbo with charge air cooler Turbo with charge air cooler Turbo and compressor with charge air cooler Turbo and compressor with charge air cooler Turbo and compressor with charge air cooler Turbo and compressor with charge air cooler Details Cooling System Heat Exchanger Cooling Heat Exchanger Cooling Heat Exchanger Cooling Heat Exchanger Cooling Heat Exchanger Cooling Heat Exchanger Cooling Details Product Series 6 liter series 6 liter series 6 liter series 6 liter series 6 liter series 6 liter series