Haifeng Machinery

Cummins QSX15G17 vs Googol PTAA8L-EG580

The Cummins QSX15G17 and Googol PTAA8L-EG580 are both diesel generator engines in a similar power class. Both are rated at roughly 625 kVA. Displacement is 15 L versus 19 L. The table below compares their full specifications side by side.

SpecificationCummins QSX15G17Googol PTAA8L-EG580
Headline rating625 kVA625 kVA
Standby (50 Hz)500 kWe
Prime (50 Hz)450 kWe
Standby (60 Hz)500 kWe
Prime (60 Hz)455 kWe
Displacement15 L19 L
ConfigurationL6L8
Cylinders68
Rated speed1,800 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledAir-Air
EmissionsU.S. EPA Final Tier 4China National Stage III / Unregulated
Dry weight
OriginUnited StatesChina

Choosing between Cummins QSX15G17 and Googol PTAA8L-EG580

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.