Liebherr D9612 vs VMAN D30AP
The Liebherr D9612 and VMAN D30AP are both diesel/hvo generator engines in a similar power class. Both are rated at roughly 1,219 kVA. Displacement is 27 L versus 29.235 L. The table below compares their full specifications side by side.
| Specification | Liebherr D9612 | VMAN D30AP |
|---|---|---|
| Headline rating | 1,200 kVA | 1,238 kVA |
| Standby (50 Hz) | 960 kWe | 990 kWe |
| Prime (50 Hz) | 864 kWe | 900 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 27 L | 29.235 L |
| Configuration | V12 | V16 |
| Cylinders | 12 | 16 |
| Rated speed | 1,500 RPM | 1,500 RPM |
| Fuel | Diesel/HVO | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Euro Stage V / U.S. EPA Tier 2 / U.S. EPA Final Tier 4 | Unregulated |
| Dry weight | — | — |
| Origin | Switzerland | China |
Choosing between Liebherr D9612 and VMAN D30AP
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 VMAN D30AP has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.