Cummins 4BTA3.9-G11 vs John Deere 4045HF285
The Cummins 4BTA3.9-G11 and John Deere 4045HF285 are both diesel generator engines in a similar power class. Both are rated at roughly 102 kVA. Displacement is 3.9 L versus 4.5 L. The table below compares their full specifications side by side.
| Specification | Cummins 4BTA3.9-G11 | John Deere 4045HF285 |
|---|---|---|
| Headline rating | 100 kVA | 103 kVA |
| Standby (50 Hz) | 80 kWe | — |
| Prime (50 Hz) | 64 kWe | — |
| Standby (60 Hz) | 90 kWe | 82 kWe |
| Prime (60 Hz) | 72 kWe | 74 kWe |
| Displacement | 3.9 L | 4.5 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | U.S. EPA Tier 3 |
| Dry weight | — | — |
| Origin | China | United States |