John Deere 6090HF484 vs SDEC 6DTAA8.9-G44
The John Deere 6090HF484 and SDEC 6DTAA8.9-G44 are both diesel generator engines in a similar power class. Both are rated at roughly 315 kVA. Displacement is 9 L versus 8.9 L. The table below compares their full specifications side by side.
| Specification | John Deere 6090HF484 | SDEC 6DTAA8.9-G44 |
|---|---|---|
| Headline rating | 314 kVA | 315 kVA |
| Standby (50 Hz) | — | 252 kWe |
| Prime (50 Hz) | — | 230 kWe |
| Standby (60 Hz) | 251 kWe | — |
| Prime (60 Hz) | 224 kWe | — |
| Displacement | 9 L | 8.9 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 IV / Unregulated |
| Dry weight | — | — |
| Origin | United States | China |