The Generator EngineEncyclopedia

Cummins C125N6 vs Ford WSG873-T

The Cummins C125N6 and Ford WSG873-T are both natural gas generator engines in a similar power class. The Cummins C125N6 is the higher-output unit (156 kVA vs 146 kVA). Displacement is 8.9 L versus 7.3 L. The table below compares their full specifications side by side.

SpecificationCummins C125N6Ford WSG873-T
Headline rating156 kVA146 kVA
Standby (50 Hz)
Prime (50 Hz)
Standby (60 Hz)125 kWe
Prime (60 Hz)117 kWe
Displacement8.9 L7.3 L
ConfigurationL6V8
Cylinders68
Rated speed1,800 RPM1,800 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA StationaryU.S. EPA Stationary
Dry weight263.1 kg
OriginUnited StatesUnited States

Choosing between Cummins C125N6 and Ford WSG873-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 Cummins C125N6 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.