Jenbacher J620 vs Jichai 12V26/32
The Jenbacher J620 and Jichai 12V26/32 are both natural gas generator engines in a similar power class. The Jenbacher J620 is the higher-output unit (4,186 kVA vs 3,750 kVA). Displacement is 124.8 L versus 203.9 L. The table below compares their full specifications side by side.
| Specification | Jenbacher J620 | Jichai 12V26/32 |
|---|---|---|
| Headline rating | 4,186 kVA | 3,750 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 3,349 kWe | 3,000 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | 3,328 kWe | — |
| Displacement | 124.8 L | 203.9 L |
| Configuration | V20 | V12 |
| Cylinders | 20 | 12 |
| Rated speed | 1,500 / 1,500 RPM | 1,000 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | Austria | China |
Choosing between Jenbacher J620 and Jichai 12V26/32
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 J620 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.