Cummins 6BT5.9-G2 vs Yunnei DEF47CZKA5
The Cummins 6BT5.9-G2 and Yunnei DEF47CZKA5 are both diesel generator engines in a similar power class. Both are rated at roughly 117 kVA. Displacement is 5.9 L versus 4.7 L. The table below compares their full specifications side by side.
| Specification | Cummins 6BT5.9-G2 | Yunnei DEF47CZKA5 |
|---|---|---|
| Headline rating | 118 kVA | 116 kVA |
| Standby (50 Hz) | 94 kWe | — |
| Prime (50 Hz) | 75 kWe | 93 kWe |
| Standby (60 Hz) | 105 kWe | — |
| Prime (60 Hz) | 84 kWe | — |
| Displacement | 5.9 L | 4.7 L |
| Configuration | L6 | L4 |
| Cylinders | 6 | 4 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Euro Stage V |
| Dry weight | — | — |
| Origin | China | China |
Choosing between Cummins 6BT5.9-G2 and Yunnei DEF47CZKA5
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 Cummins 6BT5.9-G2 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.