Haifeng Machinery

Hyundai DP222LB vs SDEC 6KTAA25-G37

The Hyundai DP222LB and SDEC 6KTAA25-G37 are both diesel generator engines in a similar power class. Both are rated at roughly 757 kVA. Displacement is 21.9 L versus 25 L. The table below compares their full specifications side by side.

SpecificationHyundai DP222LBSDEC 6KTAA25-G37
Headline rating758 kVA756 kVA
Standby (50 Hz)606 kWe
Prime (50 Hz)549 kWe605 kWe
Standby (60 Hz)703 kWe
Prime (60 Hz)636 kWe
Displacement21.9 L25 L
ConfigurationV12L6
Cylinders126
Rated speed1,500 / 1,800 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedChina National Stage III / Unregulated
Dry weight
OriginSouth KoreaChina

Choosing between Hyundai DP222LB and SDEC 6KTAA25-G37

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 Hyundai DP222LB has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.