VGT 450 BUKH HIGH OUTPUT DIESEL MARINE ENGINES Durability, diesel economy and dependable power are synonymous with the new VGT-series. All BUKH VGT Common-Rail engines are based on the 6.6L V8 configuration and are designed to be as compact and light weight as possible while maintaining durability and serviceability. The BUKH VGT 450 is intended for medium to high speed vessels and has a light duty rating (Medium Duty as option). Laptop based diagnostics tool is available for VGT engines. J1939 and NEMA2000 CAN communication. Standard Equipment: Air System • • • • Max intake restriction kPa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Engine air flow m3/min . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Rec air intake pipe diam mm (min) . . . . . . . . . . . . . . . . . . . . . 100 Minimum intake air per eng (cm2) . . . . . . . . . . . . . . . . . . . . . . 600 Cooling System • • • • • • • Cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . closed cooling Closed system coolant flow L/min . . . . . . . . . . . . . . . . . . . . . . 304 Raw water pump flow L/min . . . . . . . . . . . . . . . . . . . . . . . . . . . 180 Thermostat start to open ˚C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Thermostat fully open ˚C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 Engine coolant capacity L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Recommended press cap psi. . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Fuel System Fuel injection pump . . . . . . . . . . . . . . . . . . . . . Bosch common rail Governor regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1% Governor type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electronic 25.5 78 • • • www.bukh.dk - © BUKH 2011. All rights reserved. Maximum fuel transfer pump suction • • Distance of fuel m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5 Fuel filter micron size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Lubrication System • • • Oil pressure@2000rpm – psi . . . . . . . . . . . . . . . . . . . . . . . . 30-45 Oil pressure at low idle – psi . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 In pan oil max temperature ˚C . . . . . . . . . . . . . . . . . . . . . . . . . 120 Exhaust System • • • Exhaust flow m3/min (max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 Exhaust temperature ºC (max) . . . . . . . . . . . . . . . . . . . . . . . . . 700 Max allowable exh backpress kPa. . . . . . . . . . . . . . . . . . . . . . 7.5 Electrical System • • Recommended battery capacity CCA 12 volt system – amp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 050 Maximum allowable start circuit resistance 12 volt system – ohm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.001

VGT 450 BUKH HIGH OUTPUT DIESEL MARINE ENGINES mygind-co.dk VGT 450 Specifications Model MD-VGT32 Charge air cooling Air to water Number of cyl 8 Engine crankcase vent syst Closed Bore and stroke mm 103/98 Max crankcase press kPa 0.5 Displacement L 6.6 Length mm 779 Compression ratio 16.8:1 Width mm 825 Valves per cyl 4 Height mm 969 Firing order 1-2-7-8-4-5-6-3 Weight dry kg 450 Combustion system DI Common rail Engine type V8 Aspiration Variable geometry turbo As BUKH is always endeavouring to improve the engines, specifications mentioned are subject to alterations without previous notice. VGT...