FPT F3HC0685A*D vs Liebherr D946
The FPT F3HC0685A*D and Liebherr D946 are both diesel generator engines in a similar power class. Both are rated at roughly 481 kVA. Displacement is 10.3 L versus 12 L. The table below compares their full specifications side by side.
| Specification | FPT F3HC0685A*D | Liebherr D946 |
|---|---|---|
| Headline rating | 481 kVA | 480 kVA |
| Standby (50 Hz) | 385 kWe | 384 kWe |
| Prime (50 Hz) | 350 kWe | 345.6 kWe |
| Standby (60 Hz) | 385 kWe | — |
| Prime (60 Hz) | 350 kWe | — |
| Displacement | 10.3 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 |
Choosing between FPT F3HC0685A*D and Liebherr D946
Use this comparison as an engineering shortlist, then confirm the complete generator package against load profile, voltage, 50/60 Hz frequency, duty class, emissions rules, cooling margin, altitude, ambient temperature, enclosure design, controller features, and alternator sizing. The FPT F3HC0685A*D has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.