Cummins B6.7CS4GT1 vs Yunnei D6R252-35CR
The Cummins B6.7CS4GT1 and Yunnei D6R252-35CR are both diesel generator engines in a similar power class. Both are rated at roughly 189 kVA. The table below compares their full specifications side by side.
| Specification | Cummins B6.7CS4GT1 | Yunnei D6R252-35CR |
|---|---|---|
| Headline rating | 188 kVA | 189 kVA |
| Standby (50 Hz) | 150 kWe | — |
| Prime (50 Hz) | 150 kWe | 151 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 6.7 L | 6.7 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | China IV | China National Stage III / Unregulated |
| Dry weight | — | — |
| Origin | China | China |
Choosing between Cummins B6.7CS4GT1 and Yunnei D6R252-35CR
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 Yunnei D6R252-35CR has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.