John Deere 6090CG550 vs Yunnei D6S401-35CR2
The John Deere 6090CG550 and Yunnei D6S401-35CR2 are both diesel generator engines in a similar power class. Both are rated at roughly 301 kVA. The table below compares their full specifications side by side.
| Specification | John Deere 6090CG550 | Yunnei D6S401-35CR2 |
|---|---|---|
| Headline rating | 301 kVA | 301 kVA |
| Standby (50 Hz) | 241 kWe | — |
| Prime (50 Hz) | 218 kWe | 241 kWe |
| Standby (60 Hz) | 241 kWe | — |
| Prime (60 Hz) | 218 kWe | — |
| Displacement | 9 L | 9 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Euro Stage V / U.S. EPA Final Tier 4 | China National Stage III / Unregulated |
| Dry weight | — | — |
| Origin | United States | China |
Choosing between John Deere 6090CG550 and Yunnei D6S401-35CR2
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.