D8 - 450 hp D8 - 510 hp D8 - 550 hp D8 - 600 hp Performance Crankshaft power 331 kW / 450 hp 374 kW / 510 hp 405 kW / 550 hp 441 kW / 600 hp Performance Rating 3 4 4 5 Performance Fuel Type Diesel Diesel Diesel Diesel Performance Displacement litres 7.7 litres 7.7 litres 7.7 litres 7.7 litres Performance Displacement cui 470 in³ 470 in³ 470 in³ 470 in³ Performance Number of Cylinders 6 6 6 6 Performance Control System 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 Performance Aspiration Twin entry turbo with charge air cooler Twin entry turbo with charge air cooler Twin entry turbo with charge air cooler Twin entry 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 Details Product Series 8 liter series 8 liter series 8 liter series 8 liter series Details Emission Compliance EPA Tier 3, IMO NOx Tier II, China II, EU RCD EPA Tier 3, IMO NOx Tier II, China II, EU RCD EPA Tier 3, IMO NOx Tier II, China II, EU RCD IMO NOx Tier II, EU RCD Stage II, EPA Tier 3, China II