SDEC 6WTAA35-G31 vs Weichai 12M26D968E200
The SDEC 6WTAA35-G31 and Weichai 12M26D968E200 are both diesel generator engines in a similar power class. Both are rated at roughly 1,090 kVA. Displacement is 35 L versus 31.2 L. The table below compares their full specifications side by side.
| Specification | SDEC 6WTAA35-G31 | Weichai 12M26D968E200 |
|---|---|---|
| Headline rating | 1,091 kVA | 1,089 kVA |
| Standby (50 Hz) | 873 kWe | 871 kWe |
| Prime (50 Hz) | 794 kWe | 792 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 35 L | 31.2 L |
| Configuration | L6 | V12 |
| Cylinders | 6 | 12 |
| Rated speed | 1,500 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | China National Stage III / Unregulated | China National Stage II / Unregulated |
| Dry weight | — | — |
| Origin | China | China |
Choosing between SDEC 6WTAA35-G31 and Weichai 12M26D968E200
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 6WTAA35-G31 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.