Caterpillar G3512H vs MTU 12V4000 GS
The Caterpillar G3512H and MTU 12V4000 GS are both natural gas generator engines in a similar power class. Both are rated at roughly 1,890 kVA. Displacement is 50.5 L versus 57.2 L. The table below compares their full specifications side by side.
| Specification | Caterpillar G3512H | MTU 12V4000 GS |
|---|---|---|
| Headline rating | 1,875 kVA | 1,904 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 1,500 kWe | 1,523 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | 1,490 kWe | — |
| Displacement | 50.5 L | 57.2 L |
| Configuration | V12 | V12 |
| Cylinders | 12 | 12 |
| Rated speed | 1,500 / 1,800 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 | Germany |