The Generator EngineEncyclopedia

Caterpillar G3306 vs Yuchai YC4G135N-D30

The Caterpillar G3306 and Yuchai YC4G135N-D30 are both natural gas generator engines in a similar power class. The Yuchai YC4G135N-D30 is the higher-output unit (100 kVA vs 94 kVA). Displacement is 10.5 L versus 5.2 L. The table below compares their full specifications side by side.

SpecificationCaterpillar G3306Yuchai YC4G135N-D30
Headline rating94 kVA100 kVA
Standby (50 Hz)
Prime (50 Hz)75 kWe80 kWe
Standby (60 Hz)
Prime (60 Hz)
Displacement10.5 L5.2 L
ConfigurationL6L4
Cylinders64
Rated speed1,500 RPM1,500 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA StationaryUnregulated
Dry weight
OriginUnited StatesChina