Guascor G-18SL vs Waukesha VGF18GL/GLD (F18GL/GLD)
The Guascor G-18SL and Waukesha VGF18GL/GLD (F18GL/GLD) are both natural gas generator engines in a similar power class. Both are rated at roughly 387 kVA. The table below compares their full specifications side by side.
| Specification | Guascor G-18SL | Waukesha VGF18GL/GLD (F18GL/GLD) |
|---|---|---|
| Headline rating | 380 kVA | 394 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 304 kWe | — |
| Standby (60 Hz) | — | 315 kWe |
| Prime (60 Hz) | 336 kWe | 310 kWe |
| Displacement | 18 L | 18 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | Spain | United States |
Choosing between Guascor G-18SL and Waukesha VGF18GL/GLD (F18GL/GLD)
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 VGF18GL/GLD (F18GL/GLD) has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.