The Generator EngineEncyclopedia

Cummins GTA28 vs Guascor G-24HM

The Cummins GTA28 and Guascor G-24HM are both natural gas generator engines in a similar power class. Both are rated at roughly 625 kVA. Displacement is 28 L versus 24 L. The table below compares their full specifications side by side.

SpecificationCummins GTA28Guascor G-24HM
Headline rating625 kVA625 kVA
Standby (50 Hz)
Prime (50 Hz)500 kWe
Standby (60 Hz)500 kWe
Prime (60 Hz)500 kWe
Displacement28 L24 L
ConfigurationV12L8
Cylinders128
Rated speed1,800 RPM1,500 / 1,800 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA StationaryUnregulated
Dry weight
OriginUnited StatesSpain

Choosing between Cummins GTA28 and Guascor G-24HM

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.