Cummins 6LTAA8.9-G2 vs SDEC 6DTAA8.9-G5E3.1
The Cummins 6LTAA8.9-G2 and SDEC 6DTAA8.9-G5E3.1 are both diesel generator engines in a similar power class. Both are rated at roughly 313 kVA. The table below compares their full specifications side by side.
| Specification | Cummins 6LTAA8.9-G2 | SDEC 6DTAA8.9-G5E3.1 |
|---|---|---|
| Headline rating | 313 kVA | 313 kVA |
| Standby (50 Hz) | 250 kWe | — |
| Prime (50 Hz) | 200 kWe | — |
| Standby (60 Hz) | 260 kWe | 250 kWe |
| Prime (60 Hz) | 208 kWe | 220 kWe |
| Displacement | 8.9 L | 8.9 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Euro Stage V |
| Dry weight | — | — |
| Origin | China | China |
Choosing between Cummins 6LTAA8.9-G2 and SDEC 6DTAA8.9-G5E3.1
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.