Haifeng Machinery

Cummins KTA50G7 vs SDEC 16XTAA38-G33

The Cummins KTA50G7 and SDEC 16XTAA38-G33 are both diesel generator engines in a similar power class. Both are rated at roughly 1,398 kVA. Displacement is 50 L versus 38 L. The table below compares their full specifications side by side.

SpecificationCummins KTA50G7SDEC 16XTAA38-G33
Headline rating1,400 kVA1,395 kVA
Standby (50 Hz)1,120 kWe1,116 kWe
Prime (50 Hz)1,020 kWe1,017 kWe
Standby (60 Hz)
Prime (60 Hz)
Displacement50 L38 L
ConfigurationV16V16
Cylinders1616
Rated speed1,500 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
Emissions2g TA LuftChina National Stage III / Unregulated
Dry weight
OriginIndiaChina

Choosing between Cummins KTA50G7 and SDEC 16XTAA38-G33

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 KTA50G7 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.