Haifeng Machinery

Baudouin 6M12G3D4/5 vs Cummins QSL9G2

The Baudouin 6M12G3D4/5 and Cummins QSL9G2 are both diesel generator engines in a similar power class. Both are rated at roughly 250 kVA. Displacement is 7.47 L versus 8.8 L. The table below compares their full specifications side by side.

SpecificationBaudouin 6M12G3D4/5Cummins QSL9G2
Headline rating250 kVA250 kVA
Standby (50 Hz)200 kWe200 kWe
Prime (50 Hz)180 kWe180 kWe
Standby (60 Hz)230 kWe
Prime (60 Hz)210 kWe
Displacement7.47 L8.8 L
ConfigurationL6L6
Cylinders66
Rated speed1,500 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsChina IVU.S. EPA Tier 3 / EU Stage IIIA / China III
Dry weight
OriginChinaUnited States / United Kingdom

Choosing between Baudouin 6M12G3D4/5 and Cummins QSL9G2

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.