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LPWX Water Cooled Diesel Engines

Variable Speeds
1500 | 3000 r/min

7.9 – 32.4 kw  |  10.6 – 43.4 bhp

Range
LPWX2 | LPWX3 | LPWX4


Download the Engine Data Sheet

The LPWX Series has been developed to deliver a compact, high power density engine with improved fuel consumption. Through development and use of the Lister Petter HRCS advanced combustion system additional attributes have also been achieved. These combine to give a smoother, quieter and more powerful engine coupled with our world famous reliability.

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)

The Lister Petter LPWX engines come with the following items as standard:-

  • Heavy duty air cleaner
  • Polyvee fan/alternator drive belt
  • Inlet and exhaust manifolds
  • Fuel lift pump
  • Mechanical governing
  • Self-vent fuel system with individual fuel Injection pumps
  • Fuel filter/agglomerator
  • Gear driven positive displacement type lubricating oil pump
  • 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
  • Operators' handbook

Many optional extras are available to ensure your Lister Petter LPWX engine is suited to your requirements. Below are some of the common options:-

  • Oil cooler
  • 24V electrics
  • Deep sump

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 Stop kWm 8.8 10.9 13.2 16.4 17.6 21.8
bhp 11.8 14.6 17.7 22.0 23.6 29.3

Fuel Consumption

LPWX2 Engine LPWX3 Engine LPWX4Engine
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
Nominal cylinder bore mm 86.0 86.0 86.0
in 3.39 3.39 3.39
Stroke mm 86.0 86.0 86.0
in 3.39 3.39 3.39
Total cylinder capacity litre 0.999 1.499 1.998
in 3 60.96 91.47 121.93
Lubricating oil pressure
(mean) with the oil at 110°C (230°F)
bar 2.0 2.0 2.0
lbf/in2 29 29 29

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