John Deere 6090HFG86 vs Yunnei D6T503-35CR2
The John Deere 6090HFG86 and Yunnei D6T503-35CR2 are both diesel generator engines in a similar power class. Both are rated at roughly 379 kVA. Displacement is 9 L versus 13 L. The table below compares their full specifications side by side.
| Specification | John Deere 6090HFG86 | Yunnei D6T503-35CR2 |
|---|---|---|
| Headline rating | 379 kVA | 378 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | — | 302 kWe |
| Standby (60 Hz) | 303 kWe | — |
| Prime (60 Hz) | — | — |
| Displacement | 9 L | 13 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 3 | China National Stage III / Unregulated |
| Dry weight | — | — |
| Origin | United States | China |
Choosing between John Deere 6090HFG86 and Yunnei D6T503-35CR2
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 6090HFG86 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.