Cummins 4BTA3.9-G11 vs Deutz BF6L913C
The Cummins 4BTA3.9-G11 and Deutz BF6L913C are both diesel generator engines in a similar power class. Both are rated at roughly 101 kVA. Displacement is 3.9 L versus 6.128 L. The table below compares their full specifications side by side.
| Specification | Cummins 4BTA3.9-G11 | Deutz BF6L913C |
|---|---|---|
| Headline rating | 100 kVA | 101 kVA |
| Standby (50 Hz) | 80 kWe | 81 kWe |
| Prime (50 Hz) | 64 kWe | 75.6 kWe |
| Standby (60 Hz) | 90 kWe | 103.5 kWe |
| Prime (60 Hz) | 72 kWe | 94.5 kWe |
| Displacement | 3.9 L | 6.128 L |
| Configuration | L4 | L6 |
| Cylinders | 4 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Air-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | China | Germany |
Choosing between Cummins 4BTA3.9-G11 and Deutz BF6L913C
Use this comparison as an engineering shortlist, then confirm the complete generator package against load profile, voltage, 50/60 Hz frequency, duty class, emissions rules, cooling margin, altitude, ambient temperature, enclosure design, controller features, and alternator sizing. The Deutz BF6L913C has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.