Haifeng Machinery

Baudouin 12M26G1000/6 vs Cummins QST30G5

The Baudouin 12M26G1000/6 and Cummins QST30G5 are both diesel generator engines in a similar power class. Both are rated at roughly 1,250 kVA. Displacement is 31.8 L versus 30 L. The table below compares their full specifications side by side.

SpecificationBaudouin 12M26G1000/6Cummins QST30G5
Headline rating1,250 kVA1,250 kVA
Standby (50 Hz)
Prime (50 Hz)
Standby (60 Hz)1,000 kWe1,000 kWe
Prime (60 Hz)910 kWe910 kWe
Displacement31.8 L30 L
ConfigurationV12V12
Cylinders1212
Rated speed1,800 RPM1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedU.S. EPA Tier 2
Dry weight
OriginChinaUnited States

Choosing between Baudouin 12M26G1000/6 and Cummins QST30G5

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.