SDEC 4HTAA4.5-G42 vs VMAN C04A1
The SDEC 4HTAA4.5-G42 and VMAN C04A1 are both diesel generator engines in a similar power class. Both are rated at roughly 131 kVA. Displacement is 4.5 L versus 4.3 L. The table below compares their full specifications side by side.
| Specification | SDEC 4HTAA4.5-G42 | VMAN C04A1 |
|---|---|---|
| Headline rating | 131 kVA | 130 kVA |
| Standby (50 Hz) | 105 kWe | 104 kWe |
| Prime (50 Hz) | 95 kWe | 95 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 4.5 L | 4.3 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | China National Stage IV / Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | China | China |
Choosing between SDEC 4HTAA4.5-G42 and VMAN C04A1
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 SDEC 4HTAA4.5-G42 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.