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LPWX Water Pump Engines

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

7.9 – 29.5 kw  |  10.6 – 39.5 bhp

Range
LPWX2
LPWX3
LPWX4


Download the Engine Data Sheet

The Alpha LPWX series engines have been developed to deliver a compact, high power density engine with improved fuel consumption. The water pump variant is ideal for use in industrial, municipal, agricultural water supply and irrigation pumps.

Having proven durability, reliability and easy to maintain with oil and filter changes up to 500 hours, dependant on operational conditions.

Special Attributes

  • LP-HRCS (High Re-Entrant Combustion System)
  • multi-hole fuel injection system
  • hydro-honed injector hole conditioning
  • increased power density
  • reduced fuel consumption and noise
  • 500-hour service intervals
  • designed for continuous operation in ambient temperatures up to 52°C (122°F)
  • 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 or 4 cylinders
  • liquid cooled
  • naturally aspirated

Design Features

  • heavy duty air cleaner
  • Polyvee fan/alternator drive belt
  • inlet and exhaust manifolds
  • inlet manifold heater plugs
  • fuel lift pump
  • self-vent fuel system with individual fuel injection pumps
  • fuel filter/agglomerator
  • gear-driven positive displacement type lubricating oil pump
  • spin-on lubricating oil filter
  • 12V starter motor
  • 12V battery charge alternator
  • safety switches
  • fuel control solenoid (energised to run)
  • mechanical governing
  • radiator with fan and belt guard
  • flywheel with ring gear
  • SAE 5 flywheel housing (SAE 4 optional)
  • standard skid base packing
  • Cobalt Blue paint finish
  • operators' handbook

Full Engine Specifications:

Power Output 

LPWX2 Engine LPWX3 Engine LPWX4 Engine
RPM 1500* 1800* 1500* 1800* 1500* 1800*
Continuous Power kWm 7.9 9.8 11.9 14.7 15.8 19.6
bhp 10.6 13.1 15.9 19.7 21.2 26.3

Fuel Consumption

LPWX2 Engine LPWX3 Engine LPWX4 Engine
Load 1500* 1800* 1500* 1800* 1500* 1800*
g/kWh 100% 245 231 261 246 271 257
l/h 100% 2.3 2.7 3.7 4.3 5.1 6.0

Technical Data

LPWX2 Engine LPWX3 Engine LPWX4 Engine
Type of fuel injection Direct Direct Direct
Number of cylinders 2 3 4
Aspiration Natural Natural Natural
Direction of rotation looking on flywheel end Anti clockwise Anti clockwise Anti clockwise
Compression ratio 19.5:1 19.5:1 19.5:1
Number of flywheel ring gear teeth 96 96 96
Total cylinder capacity litre 0.999 1.499 1.998
in 3 60.96 91.47 121.93
Crankshaft end thrust
(maximum continuous)
kgf 180 180 180
lbf 400 400 400
Lubricating oil pressure
(mean) with the oil at 110°C (230°F)
bar 2.0 2.0 2.0
lbf/in2 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.

SPARE PARTS