VMAN C03AP vs Yunnei DEF30CZJA5
The VMAN C03AP and Yunnei DEF30CZJA5 are both diesel generator engines in a similar power class. Both are rated at roughly 74 kVA. Displacement is 2.5 L versus 3 L. The table below compares their full specifications side by side.
| Specification | VMAN C03AP | Yunnei DEF30CZJA5 |
|---|---|---|
| Headline rating | 74 kVA | 73 kVA |
| Standby (50 Hz) | 59 kWe | — |
| Prime (50 Hz) | 54 kWe | 58 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 2.5 L | 3 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Euro Stage V |
| Dry weight | — | — |
| Origin | China | China |
Choosing between VMAN C03AP and Yunnei DEF30CZJA5
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 VMAN C03AP has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.