Haifeng Machinery

Caterpillar 3508 vs Hyundai DP222CB

The Caterpillar 3508 and Hyundai DP222CB are both diesel generator engines in a similar power class. Both are rated at roughly 911 kVA. Displacement is 34.5 L versus 21.9 L. The table below compares their full specifications side by side.

SpecificationCaterpillar 3508Hyundai DP222CB
Headline rating913 kVA909 kVA
Standby (50 Hz)730 kWe727 kWe
Prime (50 Hz)660 kWe646 kWe
Standby (60 Hz)910 kWe806 kWe
Prime (60 Hz)820 kWe730 kWe
Displacement34.5 L21.9 L
ConfigurationV8V12
Cylinders812
Rated speed1,500 / 1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA Tier 2Unregulated
Dry weight
OriginUnited StatesSouth Korea

Choosing between Caterpillar 3508 and Hyundai DP222CB

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 Caterpillar 3508 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.