Cummins KTAA19-G5 vs SDEC SC27G755D2
The Cummins KTAA19-G5 and SDEC SC27G755D2 are both diesel generator engines in a similar power class. Both are rated at roughly 631 kVA. Displacement is 19 L versus 27 L. The table below compares their full specifications side by side.
| Specification | Cummins KTAA19-G5 | SDEC SC27G755D2 |
|---|---|---|
| Headline rating | 631 kVA | 630 kVA |
| Standby (50 Hz) | 505 kWe | 504 kWe |
| Prime (50 Hz) | 420 kWe | 455 kWe |
| Standby (60 Hz) | 550 kWe | — |
| Prime (60 Hz) | 470 kWe | — |
| Displacement | 19 L | 27 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | China National Stage II / Unregulated |
| Dry weight | — | — |
| Origin | China | China |
Choosing between Cummins KTAA19-G5 and SDEC SC27G755D2
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 Cummins KTAA19-G5 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.