Jenbacher J320 vs Waukesha VGF48SE (P48SE)
The Jenbacher J320 and Waukesha VGF48SE (P48SE) are both natural gas generator engines in a similar power class. Both are rated at roughly 1,323 kVA. Displacement is 48.7 L versus 48 L. The table below compares their full specifications side by side.
| Specification | Jenbacher J320 | Waukesha VGF48SE (P48SE) |
|---|---|---|
| Headline rating | 1,333 kVA | 1,313 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 1,066 kWe | — |
| Standby (60 Hz) | — | 1,050 kWe |
| Prime (60 Hz) | 1,062 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 | Austria | United States |
Choosing between Jenbacher J320 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 Jenbacher J320 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.