SDEC 4Z3.2-G11 vs Xinchai A498BD
The SDEC 4Z3.2-G11 and Xinchai A498BD are both diesel generator engines in a similar power class. Both are rated at roughly 40 kVA. The table below compares their full specifications side by side.
| Specification | SDEC 4Z3.2-G11 | Xinchai A498BD |
|---|---|---|
| Headline rating | 40 kVA | 40 kVA |
| Standby (50 Hz) | 32 kWe | 32 kWe |
| Prime (50 Hz) | 29 kWe | 29 kWe |
| Standby (60 Hz) | — | 38 kWe |
| Prime (60 Hz) | — | 34 kWe |
| Displacement | 3.2 L | 3.2 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | China National Stage II / Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | China | China |
Choosing between SDEC 4Z3.2-G11 and Xinchai A498BD
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.