Haifeng Machinery

Cummins KT38-G vs Hyundai DP158CCS

The Cummins KT38-G and Hyundai DP158CCS are both diesel generator engines in a similar power class. Both are rated at roughly 699 kVA. Displacement is 38 L versus 15.1 L. The table below compares their full specifications side by side.

SpecificationCummins KT38-GHyundai DP158CCS
Headline rating700 kVA698 kVA
Standby (50 Hz)560 kWe558 kWe
Prime (50 Hz)500 kWe506 kWe
Standby (60 Hz)680 kWe
Prime (60 Hz)620 kWe
Displacement38 L15.1 L
ConfigurationV12L6
Cylinders126
Rated speed1,500 / 1,800 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedU.S. EPA Tier 3
Dry weight
OriginChinaSouth Korea

Choosing between Cummins KT38-G and Hyundai DP158CCS

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 KT38-G has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.