Caterpillar G3406 vs Generac SG150
The Caterpillar G3406 and Generac SG150 are both natural gas generator engines in a similar power class. Both are rated at roughly 191 kVA. Displacement is 14.6 L versus 8.8 L. The table below compares their full specifications side by side.
| Specification | Caterpillar G3406 | Generac SG150 |
|---|---|---|
| Headline rating | 194 kVA | 188 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 155 kWe | — |
| Standby (60 Hz) | — | 150 kWe |
| Prime (60 Hz) | — | 136 kWe |
| Displacement | 14.6 L | 8.8 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 RPM | 1,800 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Stationary | Unregulated |
| Dry weight | — | — |
| Origin | United States | United States |