The Generator EngineEncyclopedia

Cummins K50N-G9 vs Mitsubishi GS16R

The Cummins K50N-G9 and Mitsubishi GS16R are both natural gas generator engines in a similar power class. The Cummins K50N-G9 is the higher-output unit (1,125 kVA vs 1,019 kVA). Displacement is 50.3 L versus 65 L. The table below compares their full specifications side by side.

SpecificationCummins K50N-G9Mitsubishi GS16R
Headline rating1,125 kVA1,019 kVA
Standby (50 Hz)
Prime (50 Hz)900 kWe815 kWe
Standby (60 Hz)
Prime (60 Hz)900 kWe
Displacement50.3 L65 L
ConfigurationV16V16
Cylinders1616
Rated speed1,500 / 1,800 RPM1,500 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight
OriginChinaJapan

Choosing between Cummins K50N-G9 and Mitsubishi GS16R

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 Cummins K50N-G9 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.