Googol PTAA8L-EG580 vs SDEC 12GTAA27-G33
The Googol PTAA8L-EG580 and SDEC 12GTAA27-G33 are both diesel generator engines in a similar power class. Both are rated at roughly 625 kVA. Displacement is 19 L versus 27 L. The table below compares their full specifications side by side.
| Specification | Googol PTAA8L-EG580 | SDEC 12GTAA27-G33 |
|---|---|---|
| Headline rating | 625 kVA | 625 kVA |
| Standby (50 Hz) | 500 kWe | 500 kWe |
| Prime (50 Hz) | 450 kWe | 455 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 19 L | 27 L |
| Configuration | L8 | V12 |
| Cylinders | 8 | 12 |
| Rated speed | 1,500 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Air-Air | Liquid-Cooled |
| Emissions | China National Stage III / Unregulated | China National Stage III / Unregulated |
| Dry weight | — | — |
| Origin | China | China |
Choosing between Googol PTAA8L-EG580 and SDEC 12GTAA27-G33
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.