Haifeng Machinery

Cummins QSK38-G7 vs MTU MTU 12V2000 G26F

The Cummins QSK38-G7 and MTU MTU 12V2000 G26F are both diesel generator engines in a similar power class. Both are rated at roughly 880 kVA. Displacement is 37.7 L versus 23.88 L. The table below compares their full specifications side by side.

SpecificationCummins QSK38-G7MTU MTU 12V2000 G26F
Headline rating881 kVA878 kVA
Standby (50 Hz)705 kWe702 kWe
Prime (50 Hz)635 kWe638 kWe
Standby (60 Hz)
Prime (60 Hz)
Displacement37.7 L23.88 L
ConfigurationV12V12
Cylinders1212
Rated speed1,500 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA Tier 2Unregulated
Dry weight
OriginUnited StatesGermany

Choosing between Cummins QSK38-G7 and MTU MTU 12V2000 G26F

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 QSK38-G7 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.