John Deere 6090HFG86 vs SDEC 6ETAA11.8-G21
The John Deere 6090HFG86 and SDEC 6ETAA11.8-G21 are both diesel generator engines in a similar power class. Both are rated at roughly 380 kVA. Displacement is 9 L versus 11.8 L. The table below compares their full specifications side by side.
| Specification | John Deere 6090HFG86 | SDEC 6ETAA11.8-G21 |
|---|---|---|
| Headline rating | 379 kVA | 380 kVA |
| Standby (50 Hz) | — | 304 kWe |
| Prime (50 Hz) | — | 276 kWe |
| Standby (60 Hz) | 303 kWe | 304 kWe |
| Prime (60 Hz) | — | 276 kWe |
| Displacement | 9 L | 11.8 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,800 RPM | 1,500 / 1,800 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 |