Cummins 4BTA3.9-G11 vs Yunnei DEF47CFA3
The Cummins 4BTA3.9-G11 and Yunnei DEF47CFA3 are both diesel generator engines in a similar power class. Both are rated at roughly 101 kVA. Displacement is 3.9 L versus 4.7 L. The table below compares their full specifications side by side.
| Specification | Cummins 4BTA3.9-G11 | Yunnei DEF47CFA3 |
|---|---|---|
| Headline rating | 100 kVA | 101 kVA |
| Standby (50 Hz) | 80 kWe | — |
| Prime (50 Hz) | 64 kWe | 81 kWe |
| Standby (60 Hz) | 90 kWe | — |
| Prime (60 Hz) | 72 kWe | — |
| Displacement | 3.9 L | 4.7 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 | Euro Stage IIIA |
| Dry weight | — | — |
| Origin | China | China |