Cummins 6ZTAA13-G3 vs Liebherr D946
The Cummins 6ZTAA13-G3 and Liebherr D946 are both diesel generator engines in a similar power class. Both are rated at roughly 483 kVA. Displacement is 13 L versus 12 L. The table below compares their full specifications side by side.
| Specification | Cummins 6ZTAA13-G3 | Liebherr D946 |
|---|---|---|
| Headline rating | 485 kVA | 480 kVA |
| Standby (50 Hz) | 388 kWe | 384 kWe |
| Prime (50 Hz) | 310 kWe | 345.6 kWe |
| Standby (60 Hz) | 388 kWe | — |
| Prime (60 Hz) | 310 kWe | — |
| Displacement | 13 L | 12 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Euro Stage V |
| Dry weight | — | — |
| Origin | China | Switzerland |