Caterpillar G3520 vs Jenbacher J616
The Caterpillar G3520 and Jenbacher J616 are both natural gas generator engines in a similar power class. The Jenbacher J616 is the higher-output unit (3,346 kVA vs 3,125 kVA). Displacement is 84.2 L versus 99.8 L. The table below compares their full specifications side by side.
| Specification | Caterpillar G3520 | Jenbacher J616 |
|---|---|---|
| Headline rating | 3,125 kVA | 3,346 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 2,500 kWe | 2,677 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | 2,662 kWe |
| Displacement | 84.2 L | 99.8 L |
| Configuration | V20 | V16 |
| Cylinders | 20 | 16 |
| Rated speed | 1,500 RPM | 1,500 / 1,500 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Stationary | Unregulated |
| Dry weight | — | — |
| Origin | United States | Austria |
Choosing between Caterpillar G3520 and Jenbacher J616
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 J616 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.