Haifeng Machinery

Cummins QSK60G5 vs SDEC 12KTA58-G33

The Cummins QSK60G5 and SDEC 12KTA58-G33 are both diesel generator engines in a similar power class. Both are rated at roughly 2,126 kVA. Displacement is 60 L versus 58 L. The table below compares their full specifications side by side.

SpecificationCummins QSK60G5SDEC 12KTA58-G33
Headline rating2,125 kVA2,126 kVA
Standby (50 Hz)1,701 kWe
Prime (50 Hz)1,548 kWe
Standby (60 Hz)1,700 kWe
Prime (60 Hz)1,600 kWe
Displacement60 L58 L
ConfigurationV16V12
Cylinders1612
Rated speed1,800 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedChina National Stage III / Unregulated
Dry weight
OriginUnited KingdomChina

Choosing between Cummins QSK60G5 and SDEC 12KTA58-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 SDEC 12KTA58-G33 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.