The Generator EngineEncyclopedia

Cummins QSK23-G5 vs Hyundai DP222CA

The Cummins QSK23-G5 and Hyundai DP222CA are both diesel generator engines in a similar power class. Both are rated at roughly 836 kVA. Displacement is 23.152 L versus 21.9 L. The table below compares their full specifications side by side.

SpecificationCummins QSK23-G5Hyundai DP222CA
Headline rating838 kVA834 kVA
Standby (50 Hz)667 kWe
Prime (50 Hz)608 kWe
Standby (60 Hz)670 kWe755 kWe
Prime (60 Hz)592 kWe685 kWe
Displacement23.152 L21.9 L
ConfigurationL6V12
Cylinders612
Rated speed1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA Tier 2Unregulated
Dry weight
OriginUnited StatesSouth Korea

Choosing between Cummins QSK23-G5 and Hyundai DP222CA

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. The Cummins QSK23-G5 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.