
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.
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 |