Googol PTAA10V-EG690 vs Perkins 2806A-E18TTAG4
The Googol PTAA10V-EG690 and Perkins 2806A-E18TTAG4 are both diesel generator engines in a similar power class. Both are rated at roughly 778 kVA. Displacement is 20.3 L versus 18 L. The table below compares their full specifications side by side.
| Specification | Googol PTAA10V-EG690 | Perkins 2806A-E18TTAG4 |
|---|---|---|
| Headline rating | 775 kVA | 780 kVA |
| Standby (50 Hz) | 620 kWe | 624 kWe |
| Prime (50 Hz) | 560 kWe | 565 kWe |
| Standby (60 Hz) | — | 710 kWe |
| Prime (60 Hz) | — | 642 kWe |
| Displacement | 20.3 L | 18 L |
| Configuration | V10 | L6 |
| Cylinders | 10 | 6 |
| Rated speed | 1,500 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Air-Air | Liquid-Cooled |
| Emissions | China National Stage III / Unregulated | Unregulated |
| Dry weight | 1480 kg | — |
| Origin | China | United Kingdom |
Choosing between Googol PTAA10V-EG690 and Perkins 2806A-E18TTAG4
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 Perkins 2806A-E18TTAG4 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.