LPW Marine Auxiliary Engines
Fixed Speed
1500 – 3600 r/min
7.5 – 37.5 kw | 10.1 – 50.3 bhp
Range
LPW2
LPW3
LPW4
LPWT4
Download the Engine Data Sheet
The Alpha marine auxiliary engine is specifically designed as a power generating engine. It is durable, reliable and easy to maintain with oil and filter changes up to 500 hours, dependent on operational conditions.
It is designed for continuous operation in ambient temperature up to 52°C (122°F) and cold start capability down to -32°C (-25.6°F).
Basic Engine Characteristics
- diesel fuelled and approved for operation on biodiesel, that conforms with ASTM D6751 and EN14214, concentrations of up to 20%
- direct fuel injection
- 2, 3, 4 cylinders
- liquid cooled
- naturally aspirated and turbocharged (LPWT4)
Design Features
- heat exchanger cooling
- water cooled exhaust manifold
- fuel filter / agglomerator
- self-vent fuel system with fuel lift pump
- individual fuel injection pump for each cylinder
- high level oil filler and dipstick
- raw water cooling system pump
- operators' handbook (English)
- thermostatically controlled cooling system with belt driven raw water pump
- gear driven positive displacement type lubricating oil pump
- spin on full flow lubricating oil filter
- mechanical governing
- cooling water header tank at gear end
- 12V earth return alternator and starter motor as standard
- high inertia flywheel to SAE J620: 7.5'
- SAE5 flywheel housing
- oil pressure and engine temperature switches
- fuel control solenoid (energised to stop)
- additional paint finish for added protection
- skid base packing
Optional Items
- keel cooling fittings
- earth return electrics
- 24V electrics
- choice of air cleaners
- sump lubricating oil drain pump (gear end or flywheel end mounting)
- cooling water header tank mounted at flywheel end (LPW2, 3 and 4)
- paint colour (standard is Peacock Blue)
A range of options are available that allows you to select a specification that matches your requirements.
Full Engine Specifications:
Power Output
| LPW2 | LPW3 | LPW4 | LPWT4 | ||
|---|---|---|---|---|---|
| 1500* | 1500* | 1500* | 1500* | ||
| Continuous Power | kWm | 7.5 | 11.3 | 15.0 | 18.9 |
| bhp | 10.1 | 15.2 | 20.1 | 25.3 | |
| Fuel Stop | kWm | 8.2 | 12.4 | 16.5 | 20.9 |
| bhp | 11.0 | 16.6 | 22.1 | 28.1 | |
Fuel Consumption
| LPW2 | LPW3 | LPW4 | LPWT4 | ||
|---|---|---|---|---|---|
| Load | 1500* | 1500* | 1500* | 1500* | |
| g/kWh | 100% | 224.0 | 261.0 | 253.2 | 208.9 |
| l/h | 100% | 2.0 | 3.2 | 4.1 | 4.7 |
Technical Data
| LPW2 | LPW3 | LPW4 | LPWT4 | ||
|---|---|---|---|---|---|
| Type of fuel injection | Direct | Direct | Direct | Direct | |
| Number of cylinders | 2 | 3 | 4 | T4 | |
| Aspiration | Natural | Natural | Natural | Turbocharged | |
| Direction of rotation looking on flywheel end | Anti clockwise | Anti clockwise | Anti clockwise | Anti clockwise | |
| Compression ratio | 18.5:1 | 18.5:1 | 18.5:1 | 16.2:1 | |
| Total cylinder capacity | litre | 0.930 | 1.395 | 1.860 | 1.860 |
| in 3 | 56.75 | 85.13 | 113.5 | 113.5 | |
