Haifeng Machinery

Doosan GV158TI vs PSI 17L

The Doosan GV158TI and PSI 17L are both natural gas generator engines in a similar power class. Both are rated at roughly 349 kVA. Displacement is 14.6 L versus 16.7 L. The table below compares their full specifications side by side.

SpecificationDoosan GV158TIPSI 17L
Headline rating353 kVA344 kVA
Standby (50 Hz)—275 kWe
Prime (50 Hz)282 kWe275 kWe
Standby (60 Hz)—400 kWe
Prime (60 Hz)—350 kWe
Displacement14.6 L16.7 L
ConfigurationV8V8
Cylinders88
Rated speed1,500 RPM1,500 / 1,800 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedU.S. EPA Stationary
Dry weight——
OriginSouth KoreaUnited States

Choosing between Doosan GV158TI and PSI 17L

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 Doosan GV158TI has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.