Waukesha mobileFLEX

The Waukesha mobileFLEX range of gas engines and generator sets provides cheaper power for drilling, oil production tubing and oilfield equipment. MobileFLEX equipment, a gas alternative to diesel units, enables energy producers to reduce costs and drilling contractors to gain an operational advantage through the use of field gases.
  • Power output at 1000 rpm900-1153 kW
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Waukesha mobileFLEX power output at 1000 rpm
VHP5904GSI-MOB 900 kW
VHP7104GSI-MOB 1100 kW
L5794GSI-MOB 947 kW
L5794GSI-MOB 1153 kW
Performance characteristics
Operating costs compared to diesel units lower by 80%
Operation with natural gas without component changes 950-1 650 Btu/cu. ft. HHV
Operation with propane gas without component modification 2 600 Btu/cu. ft. HHV
Fuel type LNG, CNG HD-5 propane and field gases with high calorific value with minimum gas purification


The mobileFLEX's enriched mixture combustion ensures low emissions and can handle a wide range of field gases without performance degradation. In the oil industry, the mobileFLEX range of engines provides an excellent power solution for drilling rigs, fluid re-injection, injection pumps and temporary facilities.


Reducing NOx emissions allows you to achieve more power with less carbon emissions.


The mobileFLEX equipment features an Engine System Manager (ESM) that maximises engine performance and uptime.

Areas of application:

  • Injection into the reservoir
  • Cogeneration
  • Oil and gas
  • Pumping of oil and gas
  • Downstream Processing
  • Recovery of produced gas / Wellhead
  • Landfill gas
  • Storage
  • Oilfield Energy Supply

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Find out how you can reduce your electricity and heat costs and improve your company's energy efficiency.

We offer a wide range of highly efficient gas engines with outputs from 100 kW to 10 MW for a variety of applications.

High overall efficiency (up to 91%)

Reduced energy costs (<40%)

Reducing CO2 emissions (up to 40%)