Features and technology / Features in general


VHP engines and enginators


Designed to meet the rigorous demands of oilfield operation, the VHP is the most popular Waukesha engine family. It’s been applied around the world in gas compression, power generation, and mechanical drive type applications.


Product type GE’s Waukesha VHP is available as a bare engine or as a genset (Enginator). Available in 6, 12, or 16 cylinder configurations, the VHP operates at 1,200 rpm (60 Hz) and 1,000 rpm (50 Hz) in power generation applications. It is available in lean- and rich-burn configurations to meet emission and operational requirements for a wide range of applications.


• The 6-cylinder inline engine is available in a rich-burn configuration only


• The 12-cylinder vee engine is the most popular configuration, with a variety of options to meet customer needs. The 5794GSI and 7044GSI use have common serviceable parts, only differing by the bore size. Lean-burn and low-fuel pressure variations are available as well


• The 16-cylinder vee engine comes in both lean and rich-burn configurations


Fuel and emissions flexibility VHP engines provide exceptional fuel and application flexibility. With the ability to make more power on hot fuels, including HD-5


propane, and high-CO2 field gases, the VHP engine maximizes the power produced. It also has the ability to operate at altitudes up to 8000’ (2,438 m) without a derate. Finally, VHP engines can accom- modate up to 65 % + load steps with minimal speed change and quick recovery, providing the benefits of Diesel engine with better emissions and lower fuel costs. These characteristics make the VHP a strong choice in demanding oilfield power generation / APG applications, where the engine has to run without the benefit of an enclosure, fuel treatment or stability of a grid connection.


VHP engines can start, then ramp to full speed and load within 45 seconds, making them a good fit for emergency / backup power generation.


Emissions VHP engines provide two different emission solutions. Rich-burn configurations can be combined with a 3-way catalyst to meet the most challenging emission requirements. Emission levels out of the catalyst can be adjusted by changing the number of elements, providing a scalable solution to protect against lower emission requirements in the future.


Lean-burn configurations eliminate the need for a 3-way catalyst and are good choices for areas with less stringent emission requirements.


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