The Generator EngineEncyclopedia

Isuzu 4JJ1X vs VM Motori R754

The Isuzu 4JJ1X and VM Motori R754 are both diesel generator engines in a similar power class. Both are rated at roughly 71 kVA. Displacement is 2.999 L versus 3 L. The table below compares their full specifications side by side.

SpecificationIsuzu 4JJ1XVM Motori R754
Headline rating71 kVA70 kVA
Standby (50 Hz)56.4 kWe56 kWe
Prime (50 Hz)51.3 kWe50.4 kWe
Standby (60 Hz)70.3 kWe
Prime (60 Hz)63.9 kWe
Displacement2.999 L3 L
ConfigurationL4L4
Cylinders44
Rated speed1,500 / 1,800 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA Final Tier 4Euro Stage V
Dry weight
OriginJapanItaly