Haifeng Machinery

Cummins QSX15G9 vs Jichai 8V190

The Cummins QSX15G9 and Jichai 8V190 are both diesel generator engines in a similar power class. Both are rated at roughly 625 kVA. Displacement is 15 L versus 47.6 L. The table below compares their full specifications side by side.

SpecificationCummins QSX15G9Jichai 8V190
Headline rating625 kVA625 kVA
Standby (50 Hz)
Prime (50 Hz)500 kWe
Standby (60 Hz)500 kWe
Prime (60 Hz)450 kWe
Displacement15 L47.6 L
ConfigurationL6V8
Cylinders68
Rated speed1,800 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA Tier 2Unregulated
Dry weight
OriginUnited StatesChina

Choosing between Cummins QSX15G9 and Jichai 8V190

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.