Haifeng Machinery

Cummins QSX15G9 vs Kirloskar DV12TA

The Cummins QSX15G9 and Kirloskar DV12TA are both diesel generator engines in a similar power class. Both are rated at roughly 625 kVA. Displacement is 15 L versus 23.88 L. The table below compares their full specifications side by side.

SpecificationCummins QSX15G9Kirloskar DV12TA
Headline rating625 kVA625 kVA
Standby (50 Hz)500 kWe
Prime (50 Hz)450 kWe
Standby (60 Hz)500 kWe
Prime (60 Hz)450 kWe
Displacement15 L23.88 L
ConfigurationL6V12
Cylinders612
Rated speed1,800 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA Tier 2Unregulated
Dry weight
OriginUnited StatesIndia

Choosing between Cummins QSX15G9 and Kirloskar DV12TA

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.