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 | 58 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. The John Deere 3029HFG20 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.