Jenbacher
Jenbacher J620
Type 6
Jenbacher J620 — 124.8 L V20 (60° V) lean-burn gas engine (Type 6), multi-fuel: natural gas, biogas, landfill/sewage gas and special gases. Up to 3360 kWe (3041–3360 kWe across versions) at 1500 rpm / 50 Hz, electrical efficiency up to 45.9%; for power generation / CHP.
- Prime Power · 50 Hz
- 4,200 kVA
- Electrical Output
- 3,360 kWe
- Cylinders
- V20
- Displacement
- 124.8 L
- Rated Speed
- 1,500 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | — | 3360 | 4200 |
Jenbacher J620 generator set context
The Jenbacher J620 is listed here as a natural gas generator-drive engine for 50 Hz generator sets, with a headline 4,200 kVA / 3,360 kWe / prime rating. Use this page to compare the published engine output, electrical kWe/kVA ratings, emissions level, datasheet availability, and neighboring models before specifying an alternator, controller, enclosure, voltage, and compliance package.
Also searched as
Technical Specifications
| Brand | Jenbacher |
| Model | J620 |
| Series | Type 6 |
| Configuration | V20 |
| Cylinders | 20 |
| Displacement | 124.8 L |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | Austria |
Frequently asked questions
What is the power output of the Jenbacher J620?
The Jenbacher J620 is rated at 4,200 kVA prime at 50 Hz (1,500 rpm).
Does the J620 run at 50 Hz or 60 Hz?
The Jenbacher J620 is rated for 50 Hz (1,500 rpm).
What fuel does the Jenbacher J620 use?
The Jenbacher J620 is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the J620?
The Jenbacher J620 is a V20 (20-cylinder) engine with a displacement of 124.8 L.
Is the Jenbacher J620 still in production?
Yes — the Jenbacher J620 is a current production model.
Is a datasheet available for the J620?
Yes — an official Jenbacher datasheet for the Jenbacher J620 can be downloaded from this page.
Related Engines
Compare Jenbacher J620
Reference
- Canonical page
- /engines/jenbacher-j620
- Last database update
- 2026-06-08
- Manufacturer files
- 1 datasheet linked
Need this engine?
Need a generator package using this engine? Haifeng Machinery can help with sizing, alternator selection, controller, enclosure, voltage, and compliance support.
Get a Quote ↗Or browse Haifeng's gas generator sets ↗