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MTU MTU 12V4000 G14S vs Perkins 4012-46TAG3A

The MTU MTU 12V4000 G14S and Perkins 4012-46TAG3A are both diesel generator engines in a similar power class. Both are rated at roughly 1,881 kVA. Displacement is 57.2 L versus 46 L. The table below compares their full specifications side by side.

SpecificationMTU MTU 12V4000 G14SPerkins 4012-46TAG3A
Headline rating1,881 kVA1,880 kVA
Standby (50 Hz)—1,504 kWe
Prime (50 Hz)—1,368 kWe
Standby (60 Hz)1,505 kWe1,504 kWe
Prime (60 Hz)1,368 kWe1,368 kWe
Displacement57.2 L46 L
ConfigurationV12V12
Cylinders1212
Rated speed1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight——
OriginGermanyUnited Kingdom
MTU MTU 12V4000 G14S full specs →Perkins 4012-46TAG3A full specs →

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