Haifeng Machinery

Kawasaki KG-12 vs Mitsubishi 16KU30GSI

The Kawasaki KG-12 and Mitsubishi 16KU30GSI are both natural gas generator engines in a similar power class. Both are rated at roughly 6,438 kVA. Displacement is 407.2 L versus 430 L. The table below compares their full specifications side by side.

SpecificationKawasaki KG-12Mitsubishi 16KU30GSI
Headline rating6,500 kVA6,375 kVA
Standby (50 Hz)——
Prime (50 Hz)5,200 kWe5,100 kWe
Standby (60 Hz)——
Prime (60 Hz)5,000 kWe—
Displacement407.2 L430 L
ConfigurationV12L16
Cylinders1216
Rated speed750 / 900 RPM750 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulated—
Dry weight—54000 kg
OriginJapanJapan

Choosing between Kawasaki KG-12 and Mitsubishi 16KU30GSI

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 Kawasaki KG-12 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.