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Cummins QSK50-G6 vs MTU MTU 12V4000 G84F

The Cummins QSK50-G6 and MTU MTU 12V4000 G84F are both diesel generator engines in a similar power class. Both are rated at roughly 1,985 kVA. Displacement is 50.3 L versus 57.2 L. The table below compares their full specifications side by side.

SpecificationCummins QSK50-G6MTU MTU 12V4000 G84F
Headline rating2,000 kVA1,969 kVA
Standby (50 Hz)—1,575 kWe
Prime (50 Hz)——
Standby (60 Hz)1,600 kWe—
Prime (60 Hz)1,455 kWe—
Displacement50.3 L57.2 L
ConfigurationV16V12
Cylinders1612
Rated speed1,800 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA Tier 2Unregulated
Dry weight——
OriginUnited StatesGermany
Cummins QSK50-G6 full specs →MTU MTU 12V4000 G84F full specs →

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