Jenbacher J320 vs Waukesha VHP L7042GSI
The Jenbacher J320 and Waukesha VHP L7042GSI are both natural gas generator engines in a similar power class. Both are rated at roughly 1,338 kVA. Displacement is 48.7 L versus 115.4 L. The table below compares their full specifications side by side.
| Specification | Jenbacher J320 | Waukesha VHP L7042GSI |
|---|---|---|
| Headline rating | 1,333 kVA | 1,343 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 1,066 kWe | — |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | 1,062 kWe | 1,074 kWe |
| Displacement | 48.7 L | 115.4 L |
| Configuration | V20 | V12 |
| Cylinders | 20 | 12 |
| Rated speed | 1,500 / 1,800 RPM | 1,440 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | Austria | United States |
Choosing between Jenbacher J320 and Waukesha VHP L7042GSI
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 VHP L7042GSI has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.