John Deere 4045TFG20 vs SDEC 4ZTAA3.5-G31
The John Deere 4045TFG20 and SDEC 4ZTAA3.5-G31 are both diesel generator engines in a similar power class. Both are rated at roughly 92 kVA. Displacement is 4.5 L versus 3.5 L. The table below compares their full specifications side by side.
| Specification | John Deere 4045TFG20 | SDEC 4ZTAA3.5-G31 |
|---|---|---|
| Headline rating | 93 kVA | 91 kVA |
| Standby (50 Hz) | 74 kWe | 73 kWe |
| Prime (50 Hz) | 68 kWe | 67 kWe |
| Standby (60 Hz) | 84 kWe | — |
| Prime (60 Hz) | 77 kWe | — |
| Displacement | 4.5 L | 3.5 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | China National Stage III / Unregulated |
| Dry weight | — | — |
| Origin | United States | China |