The Generator EngineEncyclopedia

Cummins GGLA GM V8T 8.1L vs PSI 8.1L T

The Cummins GGLA GM V8T 8.1L and PSI 8.1L T are both natural gas generator engines in a similar power class. Both are rated at roughly 156 kVA. Displacement is 8.1 L versus 8.06 L. The table below compares their full specifications side by side.

SpecificationCummins GGLA GM V8T 8.1LPSI 8.1L T
Headline rating156 kVA156 kVA
Standby (50 Hz)125 kWe
Prime (50 Hz)110 kWe
Standby (60 Hz)125 kWe155 kWe
Prime (60 Hz)125 kWe
Displacement8.1 L8.06 L
ConfigurationV8L6
Cylinders86
Rated speed1,800 RPM1,500 / 1,800 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA StationaryU.S. EPA Stationary
Dry weight998 kg
OriginUnited StatesUnited States

Choosing between Cummins GGLA GM V8T 8.1L and PSI 8.1L T

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.