The Generator EngineEncyclopedia

Kawasaki KG-12 vs Niigata 18V28AGS

The Kawasaki KG-12 and Niigata 18V28AGS are both natural gas generator engines in a similar power class. The Niigata 18V28AGS is the higher-output unit (7,500 kVA vs 6,500 kVA). Displacement is 407.2 L versus 432 L. The table below compares their full specifications side by side.

SpecificationKawasaki KG-12Niigata 18V28AGS
Headline rating6,500 kVA7,500 kVA
Standby (50 Hz)
Prime (50 Hz)5,200 kWe6,000 kWe
Standby (60 Hz)
Prime (60 Hz)5,000 kWe
Displacement407.2 L432 L
ConfigurationV12V18
Cylinders1218
Rated speed750 / 900 RPM750 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight
OriginJapanJapan