Haifeng Machinery

Generac SG100 (8.8L) vs Weichai WP6D132E300NG

The Generac SG100 (8.8L) and Weichai WP6D132E300NG are both natural gas generator engines in a similar power class. Both are rated at roughly 125 kVA. Displacement is 8.8 L versus 6.1 L. The table below compares their full specifications side by side.

SpecificationGenerac SG100 (8.8L)Weichai WP6D132E300NG
Headline rating125 kVA125 kVA
Standby (50 Hz)
Prime (50 Hz)100 kWe
Standby (60 Hz)100 kWe119 kWe
Prime (60 Hz)108 kWe
Displacement8.8 L6.1 L
ConfigurationV8L6
Cylinders86
Rated speed1,800 RPM1,500 / 1,800 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA StationaryUnregulated
Dry weight
OriginUnited StatesChina

Choosing between Generac SG100 (8.8L) and Weichai WP6D132E300NG

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.