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LPWX Long Running Engines

Unattended Running

Fixed Speeds
1500 | 1800 | 3000 r/min

8.6 – 32.4 kw  |  9.4 – 43.4 bhp

Range
LPWX2LR
LPWX3LR
LPWX4LR


Download the Engine Data Sheet

Lister Petter 'Long Running' Systems has been developed to reduce the lifetime cost of operating a generator set for continuous operations in remote unattended sites.

Comprising a unique lubricating oil supply and bypass filtration system to maintain oil quality, providing operational cost savings through reduced maintenance downtime and extension to oil life.

Special Features:

  • engines running at 1500/1800 r/min configured for 2000 hrs continuous unattended running
  • engines running at 3000 r/min configured for 1000 hrs continuous unattended running
  • ambient temperatures up to 52°C (122°F) ▪ cold start capability down to -32°C (-25.6°F)
  • diesel fuelled and approved for operation on biodiesel, that conforms with ASTM D6751 and EN14214, concentrations of up to 20%

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

  • external engine connections for installation to a remote oil tank
  • heavy duty bypass oil filter
  • radiator fitted with expansion bottle and fan belt guard
  • oil distribution block
  • increased capacity 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
  • increased capacity fuel filter / agglomerator
  • gear-driven positive displacement type lubricating oil pump
  • increased capacity spin-on lubricating oil filter
  • 12V starter motor
  • 12V battery charge alternator
  • safety switches
  • fuel control solenoid (energised to run)
  • mechanical governing
  • flywheel with ring gear
  • 7.5' heavy flywheel for 1500 / 1800 r/min
  • SAE 5 flywheel housing
  • standard skid base packing
  • operators' handbook

Optional items

  • 124V electrics

A range of options are available that allows you to select a specification that matches your requirements. Please enquire for more information on this option.


Full Engine Specifications:

Power Output

LPWX2LR Engine LPWX3LR Engine LPWX4LR Engine
RPM 1500* 1800* 1500* 1800* 1500* 1800*
Continuous Power kWm 8.6 10.6 12.9 15.8 16.9 20.9
bhp 11.5 14.2 17.3 21.2 22.6 28.0
Fuel Stop kWm 9.4 11.6 14.1 17.0 18.5 23.0
bhp 12.6 15.5 18.9 22.8 24.8 30.8

Fuel Consumption

LPWX2LR Engine LPWX3LR Engine LPWX4LR Engine
Load 1500* 1800* 1500* 1800* 1500* 1800*
g/kWh 100% 245 231 261 246 271 257
75% 241 229 254 236 262 245
l/h 100% 2.3 2.7 3.7 4.3 5.1 6.0
75% 1.7 2.0 2.7 3.1 3.7 4.3

Technical Data

LPWX2LR Engine LPWX3LR Engine LPWX4LR 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
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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