Caterpillar 3512C vs MTU MTU 12V4000 G23
The Caterpillar 3512C and MTU MTU 12V4000 G23 are both diesel generator engines in a similar power class. Both are rated at roughly 1,754 kVA. Displacement is 51.8 L versus 57.2 L. The table below compares their full specifications side by side.
| Specification | Caterpillar 3512C | MTU MTU 12V4000 G23 |
|---|---|---|
| Headline rating | 1,750 kVA | 1,758 kVA |
| Standby (50 Hz) | 1,400 kWe | 1,406 kWe |
| Prime (50 Hz) | 1,280 kWe | 1,278 kWe |
| Standby (60 Hz) | 1,500 kWe | — |
| Prime (60 Hz) | 1,230 kWe | — |
| Displacement | 51.8 L | 57.2 L |
| Configuration | V12 | V12 |
| Cylinders | 12 | 12 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 2 | Unregulated |
| Dry weight | — | — |
| Origin | United States | Germany |