Caterpillar C9.3 vs Yuchai YCMK10440-D42
The Caterpillar C9.3 and Yuchai YCMK10440-D42 are both diesel generator engines in a similar power class. Both are rated at roughly 344 kVA. Displacement is 9.3 L versus 10.34 L. The table below compares their full specifications side by side.
| Specification | Caterpillar C9.3 | Yuchai YCMK10440-D42 |
|---|---|---|
| Headline rating | 344 kVA | 344 kVA |
| Standby (50 Hz) | 275 kWe | — |
| Prime (50 Hz) | 250 kWe | — |
| Standby (60 Hz) | 330 kWe | 275 kWe |
| Prime (60 Hz) | 300 kWe | 250 kWe |
| Displacement | 9.3 L | 10.34 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 3 | China National Stage IV / Unregulated |
| Dry weight | — | — |
| Origin | USA | China |