The Generator EngineEncyclopedia

Generac SG450 vs Yuchai YC6TF800N-D30

The Generac SG450 and Yuchai YC6TF800N-D30 are both natural gas generator engines in a similar power class. Both are rated at roughly 563 kVA. Displacement is 21.9 L versus 31.75 L. The table below compares their full specifications side by side.

SpecificationGenerac SG450Yuchai YC6TF800N-D30
Headline rating563 kVA563 kVA
Standby (50 Hz)
Prime (50 Hz)450 kWe
Standby (60 Hz)450 kWe
Prime (60 Hz)409 kWe
Displacement21.9 L31.75 L
ConfigurationV12L6
Cylinders126
Rated speed1,800 RPM1,500 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight
OriginUnited StatesChina