The Generator EngineEncyclopedia

Ford MSG425 vs PSI 2.4L T

The Ford MSG425 and PSI 2.4L T are both natural gas generator engines in a similar power class. The PSI 2.4L T is the higher-output unit (50 kVA vs 39 kVA). Displacement is 2.5 L versus 2.35 L. The table below compares their full specifications side by side.

SpecificationFord MSG425PSI 2.4L T
Headline rating39 kVA50 kVA
Standby (50 Hz)
Prime (50 Hz)
Standby (60 Hz)40 kWe
Prime (60 Hz)31 kWe
Displacement2.5 L2.35 L
ConfigurationL4L4
Cylinders44
Rated speed1,800 RPM1,800 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA StationaryU.S. EPA Stationary
Dry weight159.2 kg136 kg
OriginUnited StatesUnited States

Choosing between Ford MSG425 and PSI 2.4L T

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 PSI 2.4L T has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.