The Generator EngineEncyclopedia

PSI 2.4L T vs Yuchai YC4D90N-D30

The PSI 2.4L T and Yuchai YC4D90N-D30 are both natural gas generator engines in a similar power class. The Yuchai YC4D90N-D30 is the higher-output unit (63 kVA vs 50 kVA). Displacement is 2.35 L versus 4.214 L. The table below compares their full specifications side by side.

SpecificationPSI 2.4L TYuchai YC4D90N-D30
Headline rating50 kVA63 kVA
Standby (50 Hz)
Prime (50 Hz)50 kWe
Standby (60 Hz)40 kWe
Prime (60 Hz)
Displacement2.35 L4.214 L
ConfigurationL4L4
Cylinders44
Rated speed1,800 RPM1,500 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA StationaryUnregulated
Dry weight136 kg
OriginUnited StatesChina