The Generator EngineEncyclopedia

Googol PTAA10V-EG690 vs Liebherr D976

The Googol PTAA10V-EG690 and Liebherr D976 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.

SpecificationGoogol PTAA10V-EG690Liebherr D976
Headline rating775 kVA780 kVA
Standby (50 Hz)620 kWe624 kWe
Prime (50 Hz)560 kWe556.8 kWe
Standby (60 Hz)
Prime (60 Hz)
Displacement20.3 L18 L
ConfigurationV10L6
Cylinders106
Rated speed1,500 RPM1,500 RPM
FuelDieselDiesel
CoolingAir-AirLiquid-Cooled
EmissionsChina National Stage III / UnregulatedEuro Stage V
Dry weight1480 kg
OriginChinaSwitzerland