Haifeng Machinery

Cummins KTA38-G2B vs VMAN D22.2

The Cummins KTA38-G2B and VMAN D22.2 are both diesel generator engines in a similar power class. Both are rated at roughly 889 kVA. Displacement is 38 L versus 21.927 L. The table below compares their full specifications side by side.

SpecificationCummins KTA38-G2BVMAN D22.2
Headline rating888 kVA889 kVA
Standby (50 Hz)710 kWe
Prime (50 Hz)640 kWe
Standby (60 Hz)830 kWe711 kWe
Prime (60 Hz)750 kWe646 kWe
Displacement38 L21.927 L
ConfigurationV12V12
Cylinders1212
Rated speed1,500 / 1,800 RPM1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight
OriginChinaChina

Choosing between Cummins KTA38-G2B and VMAN D22.2

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 VMAN D22.2 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.