Caterpillar G3412C vs Jenbacher J208
The Caterpillar G3412C and Jenbacher J208 are both natural gas generator engines in a similar power class. Both are rated at roughly 460 kVA. Displacement is 27 L versus 16.6 L. The table below compares their full specifications side by side.
| Specification | Caterpillar G3412C | Jenbacher J208 |
|---|---|---|
| Headline rating | 468 kVA | 451 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 374 kWe | 361 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | 423 kWe | 360 kWe |
| Displacement | 27 L | 16.6 L |
| Configuration | V12 | L8 |
| Cylinders | 12 | 8 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 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 G3412C and Jenbacher J208
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 Caterpillar G3412C has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.