Liebherr
Liebherr G9620
G9620
Liebherr G9620 — 48.7 L V20 (135 × 170 mm) lean-burn spark-ignited natural-gas engine for CHP/power generation. ISO output 1060 kW at 1500 rpm / 50 Hz (~1028 kWe), 1070 kW at 1800 rpm / 60 Hz; 44% mechanical efficiency.
- Prime Power · 50 Hz
- 1,285 kVA
- Electrical Output
- 1,028 kWe
- Cylinders
- V20
- Displacement
- 48.7 L
- Rated Speed
- 1,500 / 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf · kWe estimated — see note below
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 1060 | 1028 | 1285 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 1070 | 1038 | 1297.5 |
Note: The manufacturer does not publish a separate kWe rating for this engine. kWe values shown are estimated from the rated mechanical output (kWm) using a conservative 90% alternator efficiency factor.
Liebherr G9620 generator set context
The Liebherr G9620 is listed here as a natural gas generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 1,285 kVA / 1,028 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.
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Technical Specifications
| Brand | Liebherr |
| Model | G9620 |
| Series | G9620 |
| Configuration | V20 |
| Cylinders | 20 |
| Displacement | 48.7 L |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | Switzerland |
Frequently asked questions
What is the power output of the Liebherr G9620?
The Liebherr G9620 is rated at 1,285 kVA prime at 50 Hz (1,500 rpm); and 1,298 kVA prime at 60 Hz (1,800 rpm).
Does the G9620 run at 50 Hz or 60 Hz?
The Liebherr G9620 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Liebherr G9620 use?
The Liebherr G9620 is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the G9620?
The Liebherr G9620 is a V20 (20-cylinder) engine with a displacement of 48.7 L.
Is the Liebherr G9620 still in production?
Yes — the Liebherr G9620 is a current production model.
Related Engines
Compare Liebherr G9620
Reference
- Canonical page
- /engines/liebherr-g9620
- Last database update
- 2026-06-09
- Manufacturer files
- No datasheet linked yet
Need this engine?
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