Gamma Marine Auxiliary Engines
Fixed Speed
1500 r/min
40.0 – 121.0 kw | 53.6 – 162.2 bhp
Range
GW4M
GWT4M
GWT6M-2A
GWTAM6
Download the Engine Data Sheet
The Gamma marine auxiliary engine range is specifically designed as a marinized power generation engine suitable for use in unregulated emission territories.
It is durable, reliable and easy to maintain with oil and filter changes up to 250 hours dependant on operational conditions. It is designed for continuous operation in ambient temperatures up to 45°C (113°F) and cold start capability down to -25°C (-13°F).
Basic Engine Characteristics
- 4 cylinder naturally aspirated, or turbocharged
- 6 cylinder turbocharged, or turbo intercooled
- direct injection
- raw water heat exchanger cooling circuit
- compact gear driven sea water pump
- low fuel consumption
Design Features
- dual circuit seawater/fresh water heat exchanger cooling
system - gear driven high efficiency sea water pump
- jacketed high pressure fuel lines
- high temperature exhaust shield (asbestos free /
non-toxic) - insulated earth return electrics
- additional paint finish for added protection
- standard oil and fuel filters
- 12V electric start (optional 24V)
- anti clockwise rotation, looking on flywheel
- SAE10' and 11.5' flywheel
- SAE flywheel housing
- cast-iron crankcase
- self-vent fuel system
- in-line fuel injection pump
- electronic governing *
- flywheel and gear ring
- air cleaner
- oil pressure sender/switch combination (VDO parameter)
- water temperature sender/switch combination
(VDO parameter) - spin-on lubricating oil filter
- fuel filter/agglometerator
- inlet and exhaust manifolds
- operators handbook (English)
Full Engine Specifications:
Power Output
GW4M | GWT4M | GWT6M-2A | GWTAM6 | ||
---|---|---|---|---|---|
1500* | 1500* | 1500* | 1500* | ||
Continuous Power | kWm | 42.0 | 67.4 | 94.4 | 128.4 |
bhp | 56.3 | 90.3 | 126.5 | 172.1 | |
Fuel Stop | kWm | 46.0 | 74.2 | 103.8 | 141.0 |
bhp | 61.6 | 99.4 | 139.1 | 189.0 |
Fuel Consumption
GW4M | GWT4M | GWT6M-2A | GWTAM6 | ||
---|---|---|---|---|---|
Load | 1500* | 1500* | 1500* | 1500* | |
g/kWh | 100% | 224.7 | 223.7 | 224.8 | 224.2 |
l/h | 100% | 10.7 | 17.5 | 24.7 | 32.3 |
Technical Data
GW4M | GWT4M | GWT6M-2A | GWTAM6 | ||
---|---|---|---|---|---|
Type of fuel injection | Direct | Direct | Direct | Direct | |
Number of cylinders | 4 | 4 | 6 | 6 | |
Aspiration | Natural | Natural | Natural | Turbocharged & Intercooled | |
Direction of rotation looking on flywheel end | Anti clockwise | Anti clockwise | Anti clockwise | Anti clockwise | |
Compression ratio | 16.5:1 | 17.5:1 | 17.5:1 | 17.5:1 | |
Total cylinder capacity | litre | 3.99 | 3.99 | 5.99 | 5.99 |
in 3 | 243.3 | 243.3 | 365.2 | 365.2 |