The Generator EngineEncyclopedia

Caterpillar C13 vs Cummins QSNT-G3

The Caterpillar C13 and Cummins QSNT-G3 are both diesel generator engines in a similar power class. Both are rated at roughly 438 kVA. Displacement is 12.5 L versus 14 L. The table below compares their full specifications side by side.

SpecificationCaterpillar C13Cummins QSNT-G3
Headline rating438 kVA438 kVA
Standby (50 Hz)350 kWe350 kWe
Prime (50 Hz)320 kWe320 kWe
Standby (60 Hz)400 kWe350 kWe
Prime (60 Hz)365 kWe320 kWe
Displacement12.5 L14 L
ConfigurationL6L6
Cylinders66
Rated speed1,500 / 1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA Tier 3China National Stage III / Unregulated
Dry weight
OriginUSAChina