SDEC 6ETAA11.8-G31 vs Yuchai YC6K520-D30
The SDEC 6ETAA11.8-G31 and Yuchai YC6K520-D30 are both diesel generator engines in a similar power class. Both are rated at roughly 427 kVA. Displacement is 11.8 L versus 12.155 L. The table below compares their full specifications side by side.
| Specification | SDEC 6ETAA11.8-G31 | Yuchai YC6K520-D30 |
|---|---|---|
| Headline rating | 428 kVA | 425 kVA |
| Standby (50 Hz) | 342 kWe | 340 kWe |
| Prime (50 Hz) | 306 kWe | 320 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 11.8 L | 12.155 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | China National Stage III / Unregulated | China National Stage III / Unregulated |
| Dry weight | — | — |
| Origin | China | China |