Deutz F6L912 vs John Deere 3029HFG20
The Deutz F6L912 and John Deere 3029HFG20 are both diesel generator engines in a similar power class. Both are rated at roughly 59 kVA. Displacement is 5.655 L versus 2.9 L. The table below compares their full specifications side by side.
| Specification | Deutz F6L912 | John Deere 3029HFG20 |
|---|---|---|
| Headline rating | 59 kVA | 59 kVA |
| Standby (50 Hz) | 46.8 kWe | 47 kWe |
| Prime (50 Hz) | 43.2 kWe | 43 kWe |
| Standby (60 Hz) | 55.8 kWe | 56 kWe |
| Prime (60 Hz) | 49.5 kWe | 52 kWe |
| Displacement | 5.655 L | 2.9 L |
| Configuration | L6 | L3 |
| Cylinders | 6 | 3 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Air-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | Germany | United States |
Choosing between Deutz F6L912 and John Deere 3029HFG20
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.
