VGT 350


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 350 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.

Marine Gear

Optional gearbox packages    
Jet adaptor    
TTM60A Gear    
TTM60V V-drive    
TTM50V V-drive    


Model   MD-VGT32
Number of cylinders   8
Bore and stroke mm   103/98
Displacement L   6.6
Compression ratio   16.8:1
Valves per cyl   4
Firing order   1-2-7-8-4-5-6-3
Combustion system   DI Common rail
Engine type   V8
Aspiration   Variable geometry turbo
Charge air cooling   Air to water
Engine crankcase vent syst   Closed
Max crankcase pree kPa   0.5
Length mm   779
Width mm   825
Height mm   969
Weight dry kg   450

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
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
Maximum allowable start circuit resistance
12 volt system – ohm