Liebherr G9620 vs Waukesha VGF48SE (P48SE)
The Liebherr G9620 and Waukesha VGF48SE (P48SE) are both natural gas generator engines in a similar power class. Both are rated at roughly 1,299 kVA. Displacement is 48.7 L versus 48 L. The table below compares their full specifications side by side.
| Specification | Liebherr G9620 | Waukesha VGF48SE (P48SE) |
|---|---|---|
| Headline rating | 1,285 kVA | 1,313 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 1,028 kWe | — |
| Standby (60 Hz) | — | 1,050 kWe |
| Prime (60 Hz) | 1,038 kWe | 760 kWe |
| Displacement | 48.7 L | 48 L |
| Configuration | V20 | V16 |
| Cylinders | 20 | 16 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | U.S. EPA Stationary |
| Dry weight | — | — |
| Origin | Switzerland | United States |
Choosing between Liebherr G9620 and Waukesha VGF48SE (P48SE)
Use this comparison as an engineering shortlist, then confirm the complete generator package against load profile, voltage, 50/60 Hz frequency, duty class, emissions rules, cooling margin, altitude, ambient temperature, enclosure design, controller features, and alternator sizing. The Waukesha VGF48SE (P48SE) has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.