Weichai WP4.1D105E310 vs Yunnei DEF47CZKA5
The Weichai WP4.1D105E310 and Yunnei DEF47CZKA5 are both diesel generator engines in a similar power class. Both are rated at roughly 117 kVA. Displacement is 4.1 L versus 4.7 L. The table below compares their full specifications side by side.
| Specification | Weichai WP4.1D105E310 | Yunnei DEF47CZKA5 |
|---|---|---|
| Headline rating | 118 kVA | 116 kVA |
| Standby (50 Hz) | 94 kWe | — |
| Prime (50 Hz) | 86 kWe | 93 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 4.1 L | 4.7 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | China National Stage III / Unregulated | Euro Stage V |
| Dry weight | — | — |
| Origin | China | China |
Choosing between Weichai WP4.1D105E310 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 Weichai WP4.1D105E310 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.