Guascor G-42HM vs Liebherr G9620
The Guascor G-42HM and Liebherr G9620 are both natural gas generator engines in a similar power class. Both are rated at roughly 1,275 kVA. Displacement is 42 L versus 48.7 L. The table below compares their full specifications side by side.
| Specification | Guascor G-42HM | Liebherr G9620 |
|---|---|---|
| Headline rating | 1,264 kVA | 1,285 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 1,011 kWe | 1,028 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | 1,011 kWe | 1,038 kWe |
| Displacement | 42 L | 48.7 L |
| Configuration | V12 | V20 |
| Cylinders | 12 | 20 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | Spain | Switzerland |
Choosing between Guascor G-42HM and Liebherr G9620
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 Liebherr G9620 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.