Liebherr D976 vs Perkins 2806A-E18TTAG4
The Liebherr D976 and Perkins 2806A-E18TTAG4 are both diesel/hvo generator engines in a similar power class. Both are rated at roughly 780 kVA. The table below compares their full specifications side by side.
| Specification | Liebherr D976 | Perkins 2806A-E18TTAG4 |
|---|---|---|
| Headline rating | 780 kVA | 780 kVA |
| Standby (50 Hz) | 624 kWe | 624 kWe |
| Prime (50 Hz) | 556.8 kWe | 565 kWe |
| Standby (60 Hz) | — | 710 kWe |
| Prime (60 Hz) | — | 642 kWe |
| Displacement | 18 L | 18 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel/HVO | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Euro Stage V / U.S. EPA Tier 2 | Unregulated |
| Dry weight | — | — |
| Origin | Switzerland | United Kingdom |
Choosing between Liebherr D976 and Perkins 2806A-E18TTAG4
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.