Haifeng Machinery

Baudouin 6M21G3D4/5 vs Cummins M15-G7

The Baudouin 6M21G3D4/5 and Cummins M15-G7 are both diesel generator engines in a similar power class. Both are rated at roughly 500 kVA. Displacement is 12.54 L versus 15 L. The table below compares their full specifications side by side.

SpecificationBaudouin 6M21G3D4/5Cummins M15-G7
Headline rating500 kVA500 kVA
Standby (50 Hz)400 kWe400 kWe
Prime (50 Hz)360 kWe360 kWe
Standby (60 Hz)420 kWe
Prime (60 Hz)380 kWe
Displacement12.54 L15 L
ConfigurationL6L6
Cylinders66
Rated speed1,500 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsChina IVUnregulated
Dry weight
OriginChinaChina

Choosing between Baudouin 6M21G3D4/5 and Cummins M15-G7

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.