The Generator EngineEncyclopedia

Ford WSG873 vs Generac SG080 (9.0L)

The Ford WSG873 and Generac SG080 (9.0L) are both natural gas generator engines in a similar power class. Both are rated at roughly 101 kVA. Displacement is 7.3 L versus 8.9 L. The table below compares their full specifications side by side.

SpecificationFord WSG873Generac SG080 (9.0L)
Headline rating101 kVA100 kVA
Standby (50 Hz)
Prime (50 Hz)
Standby (60 Hz)80 kWe
Prime (60 Hz)81 kWe
Displacement7.3 L8.9 L
ConfigurationV8V8
Cylinders88
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 Ford WSG873 and Generac SG080 (9.0L)

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