Haifeng Machinery

Caterpillar G3412C vs Doosan GV180TI

The Caterpillar G3412C and Doosan GV180TI are both natural gas generator engines in a similar power class. The Caterpillar G3412C is the higher-output unit (468 kVA vs 444 kVA). Displacement is 27 L versus 18.3 L. The table below compares their full specifications side by side.

SpecificationCaterpillar G3412CDoosan GV180TI
Headline rating468 kVA444 kVA
Standby (50 Hz)
Prime (50 Hz)374 kWe355 kWe
Standby (60 Hz)
Prime (60 Hz)423 kWe
Displacement27 L18.3 L
ConfigurationV12V10
Cylinders1210
Rated speed1,500 / 1,800 RPM1,500 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA StationaryUnregulated
Dry weight
OriginUnited StatesSouth Korea

Choosing between Caterpillar G3412C and Doosan GV180TI

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 G3412C has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.