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LPW Fire Pump Engines

Fixed Speed | Full-Load Speed Range
3000 | 3600 r/min

Variable Speed | Full-Load Speed Range
1500 | 3000 r/min

6.8 – 37.5 kw  |  9.1 – 50.3 bhp

Range
LPW2
LPW3
LPW4
LPWT4


Download the Engine Data Sheet

Lister Petter's LPW series Firefighting Pump engines have been specifically developed to meet the stringent demands
of sprinkler and fire suppression equipment manufacturers requirements.

Available in either heat exchanger cooled, or radiator cooled versions. Combined with our legendary performance and reliability, making the Alpha Series the perfect engine for both industrial and commercial emergency firefighting installations.


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 or 4 cylinders
  • liquid cooled
  • naturally aspirated or turbocharged (LPWT4)

Design Features

  • inlet and exhaust manifolds
  • medium duty air cleaner
  • fuel lift pump
  • mechanical governing
  • self-vent fuel system with individual fuel injection pumps
  • fuel filter/agglomerator
  • steel fire resistant fuel feed and return lines
  • thermostatically controlled cooling system with belt driven coolant pump
  • gear driven positive displacement type lubricating oil pump
  • spin on full flow lubricating oil filter
  • flywheel and ring gear
  • SAE 5 flywheel housing
  • 12V starter motor
  • 12V battery charge alternator with full belt guarding
  • VDO Oil pressure and coolant temperature sensors
  • fuel control solenoid (energised to stop)
  • 40mm flywheel mounted driveshaft
  • heat exchanger cooled* (radiator optional)
  • engine speed sensor
  • skid base packaging
  • Signal Red paint finish
  • operators handbook (English)

Full Engine Specifications:

Power Output (Variable Speed)

LPW2 Engine LPW3 Engine LPW4 Engine LPWT4 Engine
RPM 1500* 1800* 1500* 1800* 1500* 1800* 1500* 1800*
Continuous Power kWm 6.8 8.5 10.3 12.8 13.6 17.0 18.9 24.2
bhp 9.1 11.4 13.8 17.2 18.2 22.7 25.3 32.4
Fuel Stop kWm 7.5 9.4 11.8 14.1 15.0 18.7 20.9 26.9
bhp 10.0 12.6 15.8 18.9 20.1 25.1 28.1 36.0

Fuel Consumption

LPW2 Engine LPW3 Engine LPW4 Engine LPWT4 Engine
Load 1500* 1800* 1500* 1800* 1500* 1800* 1500* 1800*
g/kWh 100% 224.0 247.1 261.0 242.8 253.2 237.2 208.9 211.7
l/h 100% 2.0 2.5 3.2 3.7 4.1 4.8 3.7 6.1

Technical Data

LPW2 Engine LPW3 Engine LPW4 Engine LPWT4 Engine
Type of fuel injection Direct Direct Direct Direct
Number of cylinders 2 3 4 4
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
Number of flywheel ring gear teeth 96 96 96 96
Total cylinder capacity litre 0.930 1.395 1.860 1.860
in 3 56.75 85.13 113.5 113.5
Crankshaft end thrust
(maximum continuous)
kgf 180 180 180 180
lbf 400 400 400 400
Lubricating oil pressure
(mean) with the oil at 110°C (230°F)
bar 2.0 2.0 2.0 2.0
lbf/in2 29 29 29 29

BUY GENUINE LISTER PETTER SPARE PARTS

Your Lister Petter engine is precision engineered to give years of outstanding reliability and consistent performance in the most extreme temperatures and conditions.

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