Caterpillar G3406 vs Doosan GE08TI
The Caterpillar G3406 and Doosan GE08TI are both natural gas generator engines in a similar power class. Both are rated at roughly 195 kVA. Displacement is 14.6 L versus 8.1 L. The table below compares their full specifications side by side.
| Specification | Caterpillar G3406 | Doosan GE08TI |
|---|---|---|
| Headline rating | 194 kVA | 196 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 155 kWe | 157 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 14.6 L | 8.1 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 RPM | 1,500 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Stationary | Unregulated |
| Dry weight | — | — |
| Origin | United States | South Korea |
Choosing between Caterpillar G3406 and Doosan GE08TI
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 Doosan GE08TI has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.