Stock No. LKS-GS-03 · Generator set
Wärtsilä 20V34SG gas engine CHP plant
approx. 10 MWe50 Hz2013approx. 68,000 hEurope
Last confirmed 31 October 2026
Units in our inventory
Comparison · updated 11 November 2026
Manufacturer data side by side, with the used units of both models listed on lks360.com.
Short answer: The Wärtsilä 34SG is a gas engine by Wärtsilä with an output of 5.6 to 9.8 MW (12V, 16V, 20V). The Jenbacher J620 is a gas engine generator set by INNIO Jenbacher with an output of up to 3,509 kW. Frequency: Wärtsilä 34SG 50 Hz (750 rpm) and 60 Hz (720 rpm), Jenbacher J620 50 Hz and 60 Hz. Sources: Wärtsilä, 34SG gas engine; INNIO Jenbacher, Type 6 gas engines.
| Wärtsilä 34SG | Jenbacher J620 | |
|---|---|---|
| Type | gas engine | gas engine generator set |
| Manufacturer | Wärtsilä | INNIO Jenbacher |
| Output | 5.6 to 9.8 MW (12V, 16V, 20V) | up to 3,509 kW |
| Frequency | 50 Hz (750 rpm) and 60 Hz (720 rpm) | 50 Hz and 60 Hz |
| Fuel | natural gas, biogas, synthetic methane; hydrogen blending | natural gas, biogas, sewage gas, landfill gas, coal mine gas, associated petroleum gas |
| Applications | flexible baseload power, balancing renewable generation | power generation and combined heat and power |
| Units listed on lks360.com | 1 | 0 |
| Source | Wärtsilä, 34SG gas engine | INNIO Jenbacher, Type 6 gas engines |
Manufacturer data for the model types, not the data of a specific unit offered.
Units in our inventory
Stock No. LKS-GS-03 · Generator set
approx. 10 MWe50 Hz2013approx. 68,000 hEurope
Last confirmed 31 October 2026
Questions and answers
The Wärtsilä 34SG is a gas engine by Wärtsilä with an output of 5.6 to 9.8 MW (12V, 16V, 20V). The Jenbacher J620 is a gas engine generator set by INNIO Jenbacher with an output of up to 3,509 kW. Frequency: Wärtsilä 34SG 50 Hz (750 rpm) and 60 Hz (720 rpm), Jenbacher J620 50 Hz and 60 Hz. Sources: Wärtsilä, 34SG gas engine; INNIO Jenbacher, Type 6 gas engines.
LKS 360-SCHREINER LLC lists 1 used or surplus Wärtsilä 34SG unit and 0 Jenbacher J620 units on lks360.com, each offered on behalf of its owner. Send the stock number to manager@lks360.com and we reply with the price.
That depends on the output you need, grid frequency, fuel, emission limits and whether the plant runs base load, peaking or combined cycle. Send these values and we propose matching units from the market.
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