Haifeng Machinery

Baudouin 6M21G5D4/5 vs Cummins QSX15G8

The Baudouin 6M21G5D4/5 and Cummins QSX15G8 are both diesel generator engines in a similar power class. Both are rated at roughly 550 kVA. Displacement is 12.54 L versus 15 L. The table below compares their full specifications side by side.

SpecificationBaudouin 6M21G5D4/5Cummins QSX15G8
Headline rating550 kVA550 kVA
Standby (50 Hz)440 kWe440 kWe
Prime (50 Hz)400 kWe400 kWe
Standby (60 Hz)400 kWe
Prime (60 Hz)360 kWe
Displacement12.54 L15 L
ConfigurationL6L6
Cylinders66
Rated speed1,500 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsChina IVU.S. EPA Tier 2 / EU Stage II
Dry weight
OriginChinaUnited States

Choosing between Baudouin 6M21G5D4/5 and Cummins QSX15G8

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.