The Generator EngineEncyclopedia

Caterpillar C7.1 vs Weichai WP4.6ND148E310A

The Caterpillar C7.1 and Weichai WP4.6ND148E310A are both diesel generator engines in a similar power class. Both are rated at roughly 166 kVA. Displacement is 7 L versus 4.6 L. The table below compares their full specifications side by side.

SpecificationCaterpillar C7.1Weichai WP4.6ND148E310A
Headline rating165 kVA166 kVA
Standby (50 Hz)132 kWe133 kWe
Prime (50 Hz)120 kWe122 kWe
Standby (60 Hz)150 kWe
Prime (60 Hz)135 kWe
Displacement7 L4.6 L
ConfigurationL4L4
Cylinders44
Rated speed1,500 / 1,800 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA Tier 3China National Stage III / Unregulated
Dry weight
OriginUnited StatesChina