John Deere 4045HFG85 vs SDEC 6HTAA6.5-G21
The John Deere 4045HFG85 and SDEC 6HTAA6.5-G21 are both diesel generator engines in a similar power class. Both are rated at roughly 160 kVA. Displacement is 4.5 L versus 6.5 L. The table below compares their full specifications side by side.
| Specification | John Deere 4045HFG85 | SDEC 6HTAA6.5-G21 |
|---|---|---|
| Headline rating | 161 kVA | 159 kVA |
| Standby (50 Hz) | — | 127 kWe |
| Prime (50 Hz) | — | 115 kWe |
| Standby (60 Hz) | 129 kWe | 135 kWe |
| Prime (60 Hz) | 117 kWe | 122 kWe |
| Displacement | 4.5 L | 6.5 L |
| Configuration | L4 | L6 |
| Cylinders | 4 | 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 |