The Generator EngineEncyclopedia

Cummins 4BTA3.9-G2 vs VM Motori R754

The Cummins 4BTA3.9-G2 and VM Motori R754 are both diesel generator engines in a similar power class. Both are rated at roughly 70 kVA. Displacement is 3.9 L versus 3 L. The table below compares their full specifications side by side.

SpecificationCummins 4BTA3.9-G2VM Motori R754
Headline rating70 kVA70 kVA
Standby (50 Hz)56 kWe56 kWe
Prime (50 Hz)45 kWe50.4 kWe
Standby (60 Hz)64 kWe
Prime (60 Hz)51 kWe
Displacement3.9 L3 L
ConfigurationL4L4
Cylinders44
Rated speed1,500 / 1,800 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedEuro Stage V
Dry weight
OriginChinaItaly