Haifeng Machinery

Cummins KTA50G23 vs Mitsubishi S8U-PTA

The Cummins KTA50G23 and Mitsubishi S8U-PTA are both diesel generator engines in a similar power class. Both are rated at roughly 1,997 kVA. Displacement is 50 L versus 94.1 L. The table below compares their full specifications side by side.

SpecificationCummins KTA50G23Mitsubishi S8U-PTA
Headline rating2,000 kVA1,993 kVA
Standby (50 Hz)1,600 kWe1,594.4 kWe
Prime (50 Hz)1,454 kWe1,538.4 kWe
Standby (60 Hz)—1,712 kWe
Prime (60 Hz)—1,631.2 kWe
Displacement50 L94.1 L
ConfigurationV16V8
Cylinders168
Rated speed1,500 RPM900 / 1,080 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight—11000 kg
OriginIndiaJapan

Choosing between Cummins KTA50G23 and Mitsubishi S8U-PTA

Use this comparison as an engineering shortlist, then confirm the complete generator package against load profile, voltage, 50/60 Hz frequency, duty class, emissions rules, cooling margin, altitude, ambient temperature, enclosure design, controller features, and alternator sizing. The Cummins KTA50G23 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.