410 kW (550 bhp) @3 600 rpm
All MarineDiesel 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 VGT550 is intended for light, very high speed vessels. Laptop based diagnostics tool is available for all VGT and TSC engines. J1939 and NMEA2000 CAN communication.
| Weight | 510 kg |
|---|---|
| Dimensions | 77.9 × 82.5 × 97.3 cm |
| Model | MD-VGT32 |
| Number of cyl | 8 |
| Displacment | 6.6L |
| Bore X stroke | 103 x 98 mm |
| Compression ratio | 16:18:1 |
| Valves per cylinder | 4 |
| Firing order | 1-2-7-8-4-5-6-3 |
| Aspiration | Variable geometry turbo |
| Charge air cooling | Air to water |
| Max crankcase press kPa | 0.5 |
| Combustion system | DI Common rail |
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 engine (cm2) ……………………………………………. 1400
Engine bay temp. vs. amb. temp. T max °C……………………………………….15
Emission…………………………………………………RCD, IMO, EPA, Tier 3 and CE3
Cooling System
Cooling System………………………………………………………………closed cooling
Closed system coolant flow L/min……………………………………………………. 304
Raw water pumpflow L/min…………………………………………………………….. 150
Thermostat start to open °C……………………………………………………………… 70
Thermostat fully open °C………………………………………………………………….78
Engine coolant capacity L…………………………………………………………………18
Recommended press ca psi………………………………………………………………16
Raw water intake Ø, mm…………………………………………………………………..38
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 at 2000 rpm – psi……………………………………………………..30-45
Oil pressure at low idle – psi……………………………………………………………..12
In pan oil max temperature °C…………………………………………………………120
Exhaust System
Exhaust flow m3/min (max)………………………………………………………………70
Exhaust temperature °C (max)………………………………………………………… 750
Max. allowable exhaustion backpress kPa………………………………………….7.5
Exhaust hose ID, mm……………………………………………………………………..127
Electrical System
Recommended battery capacity CCA
12 volt system – amp……………………………………………………………………1050
Maximum allowable start circuit resistance
12 volt system – ohm…………………………………………………………………..0.001
MarineDiesel VGT600
MarineDiesel