Haifeng Machinery

Cummins K38N-G7 vs Guascor G-48FL

The Cummins K38N-G7 and Guascor G-48FL are both natural gas generator engines in a similar power class. Both are rated at roughly 877 kVA. Displacement is 37.8 L versus 47.9 L. The table below compares their full specifications side by side.

SpecificationCummins K38N-G7Guascor G-48FL
Headline rating875 kVA879 kVA
Standby (50 Hz)
Prime (50 Hz)700 kWe703 kWe
Standby (60 Hz)
Prime (60 Hz)700 kWe761 kWe
Displacement37.8 L47.9 L
ConfigurationV12V16
Cylinders1216
Rated speed1,500 / 1,800 RPM1,500 / 1,800 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight
OriginChinaSpain

Choosing between Cummins K38N-G7 and Guascor G-48FL

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 Guascor G-48FL has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.