The Generator EngineEncyclopedia

Generac SG350 vs Yuchai YC6TD600N-D30

The Generac SG350 and Yuchai YC6TD600N-D30 are both natural gas generator engines in a similar power class. Both are rated at roughly 438 kVA. Displacement is 21.9 L versus 19.598 L. The table below compares their full specifications side by side.

SpecificationGenerac SG350Yuchai YC6TD600N-D30
Headline rating438 kVA438 kVA
Standby (50 Hz)
Prime (50 Hz)350 kWe
Standby (60 Hz)350 kWe
Prime (60 Hz)
Displacement21.9 L19.598 L
ConfigurationV12L6
Cylinders126
Rated speed1,800 RPM1,500 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA StationaryUnregulated
Dry weight
OriginUnited StatesChina

Choosing between Generac SG350 and Yuchai YC6TD600N-D30

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.