The Generator EngineEncyclopedia

Generac SG250 vs Weichai WP13D317E300PG

The Generac SG250 and Weichai WP13D317E300PG are both natural gas generator engines in a similar power class. Both are rated at roughly 313 kVA. Displacement is 14.2 L versus 13 L. The table below compares their full specifications side by side.

SpecificationGenerac SG250Weichai WP13D317E300PG
Headline rating313 kVA313 kVA
Standby (50 Hz)
Prime (50 Hz)250 kWe
Standby (60 Hz)250 kWe
Prime (60 Hz)225 kWe
Displacement14.2 L13 L
ConfigurationL6L6
Cylinders66
Rated speed1,800 RPM1,500 RPM
FuelNatural GasLPG
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA StationaryUnregulated
Dry weight
OriginUnited StatesChina

Choosing between Generac SG250 and Weichai WP13D317E300PG

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.