Jenbacher J612
Jenbacher J612 Type 6 lean-burn natural-gas engine for generator and CHP service. Jenbacher publishes up to 2,000 kWe at 50 Hz and 1,986 kWe at 60 Hz at generator terminals, with electrical efficiency up to 45.6%. The 60 Hz package uses a gearbox while the engine remains at 1,500 rpm. Output and emissions depend on gas quality, NOx configuration, voltage and site conditions; the published NOx variants are not an EPA Tier or EU Stage engine certification.
Production StatusIn Production
Type 6
- Configuration
- V12
- Displacement
- 74.9 L
- Fuel
- Natural Gas
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| Rating | Prime |
|---|---|
| Electrical output kWe | 2,000 |
| Apparent power kVA | 2,500 |
60 Hz1500 RPM
| Rating | Prime |
|---|---|
| Electrical output kWe | 1,986 |
| Apparent power kVA | 2,482.5 |
Datasheet & documents
Match the model number on your engine plate to the document. Check its revision date and the speed and duty listed for each power rating.
Technical specifications
Technical Specifications
| Brand | Jenbacher |
| Model | J612 |
| Series | Type 6 |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 74.9 L |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | Austria |
Check your engine model
The Jenbacher J612 is a natural gas generator-drive engine for 50 Hz and 60 Hz generator sets, rated at 2,500 kVA / 2,000 kWe / prime rating. Match the model and serial number on your engine plate when requesting a manual or parts. The ratings and emissions information below help identify the version fitted to your generator.
Other ways this model is written
j612Jenbacher J612Type 6 J612
J612 repair parts
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Frequently asked questions
What is the power output of the Jenbacher J612?
The Jenbacher J612 is rated at 2,500 kVA prime at 50 Hz (1,500 rpm); and 2,483 kVA prime at 60 Hz (1,500 rpm).
Does the J612 run at 50 Hz or 60 Hz?
The Jenbacher J612 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,500 rpm).
What fuel does the Jenbacher J612 use?
The Jenbacher J612 is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the J612?
The Jenbacher J612 is a V12 (12-cylinder) engine with a displacement of 74.9 L.
What is the catalog status of the Jenbacher J612?
The Jenbacher J612 is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.
Are reference documents available for the J612?
This page links reference documents for the Jenbacher J612. Check each document's title, model coverage, revision and rating conditions before using it for selection.