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Cummins KTA50-G12A vs Mitsubishi S12R-PTAA2

The Cummins KTA50-G12A and Mitsubishi S12R-PTAA2 are both diesel generator engines in a similar power class. Both are rated at roughly 1,611 kVA. Displacement is 50.3 L versus 49.03 L. The table below compares their full specifications side by side.

SpecificationCummins KTA50-G12AMitsubishi S12R-PTAA2
Headline rating1,600 kVA1,621 kVA
Standby (50 Hz)1,280 kWe1,296.9 kWe
Prime (50 Hz)1,100 kWe1,182.6 kWe
Standby (60 Hz)1,430 kWe1,469.7 kWe
Prime (60 Hz)1,220 kWe1,335.6 kWe
Displacement50.3 L49.03 L
ConfigurationV16V12
Cylinders1612
Rated speed1,500 / 1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight——
OriginChinaJapan
Cummins KTA50-G12A full specs →Mitsubishi S12R-PTAA2 full specs →

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