The Generator EngineEncyclopedia

Cummins QSNT-G3 vs Isuzu 6WG1X

The Cummins QSNT-G3 and Isuzu 6WG1X are both diesel generator engines in a similar power class. Both are rated at roughly 438 kVA. Displacement is 14 L versus 15.681 L. The table below compares their full specifications side by side.

SpecificationCummins QSNT-G3Isuzu 6WG1X
Headline rating438 kVA437 kVA
Standby (50 Hz)350 kWe349.5 kWe
Prime (50 Hz)320 kWe317.7 kWe
Standby (60 Hz)350 kWe378.2 kWe
Prime (60 Hz)320 kWe343.8 kWe
Displacement14 L15.681 L
ConfigurationL6L6
Cylinders66
Rated speed1,500 / 1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsChina National Stage III / UnregulatedU.S. EPA Final Tier 4
Dry weight
OriginChinaJapan