Haifeng Machinery

PSI 17L vs Yuchai YC6T450N-D30

The PSI 17L and Yuchai YC6T450N-D30 are both natural gas generator engines in a similar power class. Both are rated at roughly 347 kVA. Displacement is 16.7 L versus 16.35 L. The table below compares their full specifications side by side.

SpecificationPSI 17LYuchai YC6T450N-D30
Headline rating344 kVA350 kVA
Standby (50 Hz)275 kWe
Prime (50 Hz)275 kWe280 kWe
Standby (60 Hz)400 kWe
Prime (60 Hz)350 kWe
Displacement16.7 L16.35 L
ConfigurationV8L6
Cylinders86
Rated speed1,500 / 1,800 RPM1,500 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA StationaryUnregulated
Dry weight
OriginUnited StatesChina

Choosing between PSI 17L and Yuchai YC6T450N-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. The Yuchai YC6T450N-D30 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.