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LPW Diesel Engines

Variable Speeds
1500 | 3000 r/min

6.8 – 37.5 kw  |  9.1 – 50.3 bhp

Range
LPW2
LPW3
LPW4
LPWT4


Download the Engine Data Sheet

The LPW engine is specifically designed as an Industrial/Pump spec engine suitable for use in unregulated emissions territories. It is durable, reliable and easy to maintain with oil & filter changes up to 500 hours, dependant on operational conditions.

It is designed for continuous operation in ambient temperatures up to 52° (122°F) and a cold start capability down to -32° (-25.6°F).


The LPW engines come with the following items as standard:-

  • Inlet and exhaust manifolds
  • Heavy duty air cleaner
  • Fuel lift pump
  • Mechanical governing
  • Self-vent fuel system with individual
  • Fuel Injection pumps
  • Fuel filter/agglomerator
  • Thermostatically controlled cooling system with belt driven coolant pump
  • Radiator with fan and belt guard
  • Gear driven positive displacement type
  • Lubricating oil pump
  • Spin on full flow lubricating oil filter
  • Flywheel with ring gear
  • SAE 5 flywheel housing
  • 12V Starter motor
  • 12V battery charge alternator
  • Oil pressure and coolant temperature switches
  • Fuel control solenoid (energised to run)
  • Skid base packing
  • Operators hand book

Many optional extras are available to ensure your Lister Petter LPW engine is suited to your requirements. Below are some examples, please enquire for more information.

  • Low oil pressure switch
  • Radiator options with choice of pusher or puller fan and full guarding
  • Increased oil sump capacity (deep sump)
  • Extended warranty

Full Engine Specifications:

Power Output

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 224.0 247.1 261.0 242.8 253.2 237.2 208.9 211.7
l/h 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 Turbo-Charged
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
Minimum full load speed r/min 1500 1500 1500 1500
Number of flywheel ring gear teeth 96 96 96 96
Nominal cylinder bore mm 86.0 86.0 86.0 86.0
in 3.39 3.39 3.39 3.39
Stroke mm 80.0 80.0 80.0 80.0
in 3.15 3.15 3.15 3.15
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

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