GE’s Waukesha VHP generator sets are built for efficiency, durability and longevity, and provide reliable power for continuous and intermittent power applications.

Performance Tailored to Your Needs

The versatile, gaseous-fueled VHP series is available in 6-, 12-, and 16-cylinder configurations with rich-burn and lean-combustion systems.

Ready for Any Challenge

The VHP series produces more power on the hottest field gases, at higher altitudes in remote locations, all while delivering lower emissions.

Performs—No Matter Where You Need It

VHP generator sets power the world’s energy structure, and can be found in every corner of the globe.
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Waukesha VHP-mobile

Waukesha VHP 

Built for dependability, longevity and durability, VHP engines have been working in natural gas production applications for over 40 years.

  • Low emissions across varying applications
  • Hot fuel tolerant
  • Wide turn down range available (700 – 1,200 rpm)
  • Extended service intervals
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Product Specifications

Durable, compact, and fuel-flexible VHP engines have a power output of 120 kW to 800 kW (265 bhp to 1,175 bhp).

Waukesha VHP VHP9504GSI emPact VHP7104GSI emPact VHP7100GSI S4 emPact VHP7100GL
Power kWb 1531 1153 920 919
Power kWe 1460 1100 875 875
BSFC 6942 (9821) 7603 (10757) 7836 (11086) 6959 (9847)
Nox 0.5 (185) .5 (185) .5 (185) 1.50 (607)
CO 1.0 (370) 1.0 (370) 1.0 (370) 2.7 (1073)
NMHC 0.2 (74) 0.14 (58) 0.17 (63) 1.00 (405)
Electrical Efficiency 34.7 31.9 31 34.7
Waukesha VHP VHP9504GSI emPact VHP7104GSI emPact VHP7100GSI S4 emPact VHP7100GL
Power kWb 1678 1253 1104 1104
Power kWe 1600 1200 1050 1050
BSFC 7063 (9992) 7881 (11149) 8005 (11325) 7295 (10323)
Nox 0.5 (185) .5 (185) .5 (185) 1.50 (607)
CO 1.0 (370) 1.0 (370) 1.0 (370) 2.7 (1073)
NMHC 0.2 (74) 0.14 (58) 0.17 (63) 1.00 (405)
Electrical Efficiency 33.3 30.8 30.4 33.4
Waukesha VHP VHP9504GSI emPact VHP7104GSI emPact VHP7100GSI S4 emPact VHP7100GL
Power kWb 1262 708 708 736
Power kWe 1206 675 675 701
BSFC 7538 (10664) 8134 (11508) 8134 (11508) 7570 (10712)
Nox 12.8 (5210) 15.3 (5685) 15.3 (5685) 1.5 (607)
CO 12.3 (4983) 10.2 (3760) 10.2 (3760) 2.7 (1073)
NMHC 0.6 (242) 1.9 (703) 1.9 (703) 5.5 (2227)
Electrical Efficiency 32.30% 29.60% 29.60% 32%
Waukesha VHP VHP9504GSI emPact VHP7104GSI  emPact VHP7100GSI S4 emPact VHP7100GL
Power kWb 1380 846 846 883
Power kWe 1322 808 808 843
BSFC 8016 (11342) 8572 (12127) 8572 (12127) 7896 (11173)
Nox 12.4 (4959) 16.3 (6037) 16.3 (6037) 1.5 (607)
CO 14 (5674) 11.5 (4256) 11.5 (4256) 2.7 (1073)
NMHC 0.56 (229) 1.87 (693) 1.87 (693) 5.5 (2227)
Electrical Efficiency 30.40% 28.30% 28.30% 30.80%
Waukesha VHP VHP5904GSI  emPact VHP5904LT VHP3604GSI  
Power kWb 947 947 573
Power kWe 900 900 540
BSFC 7433 (10515) 7481 (10584) 7626 (10789)
Nox .5 (185) 2.5 (993) 15.50 (5748)
CO 1.0 (370) 1.6 (656) 12.40 (4578)
NMHC .14 (58) 0.31 (125) .16 (58)
Electrical Efficiency 32.7 32.5 31.6
Waukesha VHP VHP5904GSI emPact VHP5904LT VHP3604GSI  
Power kWb 1029 1081 627
Power kWe 980 1025 600
BSFC 7665 (10843) 7535 (10661) 8035 (11366)
Nox .5 (185) 2 (810) 15.60 (5795)
CO 1.0 (370) 1.8 (730) 12.80 (4755)
NMHC .14 (58) 0.34 (140) .15 (57)
Electrical Efficiency 31.8 32.3 30
Waukesha VHP VHP5904GSI emPact VHP3604GSI  
Power kWb 654 397
Power kWe 623 376
BSFC 8053 (11393) 8910 (12605)
Nox 17.9 15.3 (5662)
CO 15.3 17.9 (6633)
NMHC 1.7 0.46 (169)
Electrical Efficiency 30.10% 27.00%
Waukesha VHP VHP5904GSI emPact VHP3604GSI  
Power kWb 784 467
Power kWe 749 442
BSFC 8334 (11791) 9267 (13109)
Nox 18.6 15.8 (5864)
CO 14.7 18.4 (6817)
NMHC 1.5 0.47 (156)
Electrical Efficiency 29.20% 26.00%

Fine print

Rating Standard: All models: Ratings conform to ISO 3046/1 (latest version) with a mechanical effi ciency of 90% and auxiliary water temperature, Tcra, as specifi ed in the Power Rating Chart, Bulletin 1079

(latest version) limited to ±10° F (±5.5° C). Ratings are also valid for SAE J1349, BS 5514, DIN 6271 and API 7B-11C standard atmospheric reference conditions.

Notes

  • These engines have HD-5 propane as a secondary fuel option: VHP–GL Series, VHP–GSI Series.
  • No overload allowed on all HD-5 propane ratings.
  • Requires a minimum of 34 WKI fuel.
  • Engine may require optional fuel system.

***I.C. Water Temp. (Tcra)130°F 54°C

Generator efficiences at 0.8PF