Cummins 4B3.9-G11 vs Kubota V1505-E3B-CWL-1
The Cummins 4B3.9-G11 and Kubota V1505-E3B-CWL-1 are both diesel generator engines in a similar power class. Both are rated at roughly 25 kVA. Displacement is 3.9 L versus 1.505 L. The table below compares their full specifications side by side.
| Specification | Cummins 4B3.9-G11 | Kubota V1505-E3B-CWL-1 |
|---|---|---|
| Headline rating | 25 kVA | 25 kVA |
| Standby (50 Hz) | 20 kWe | 20 kWe |
| Prime (50 Hz) | 17 kWe | 18 kWe |
| Standby (60 Hz) | 25 kWe | — |
| Prime (60 Hz) | 20 kWe | — |
| Displacement | 3.9 L | 1.505 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 / 1,800 RPM | 3,000 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Euro Stage IIIB |
| Dry weight | — | — |
| Origin | China | Japan |