EnginesKawasaki Ha40Kawasaki Ha40Kawasaki Ha40LayoutInverted vCoolingLiquidFuelPetrolDisplacement33.93 LDry weight590 kgRatingsRegimePowerAltitudeRpmTakeoff1,175 hp0 m2,500Aircraft 4193119321933193419351936193719381939194019411942194319441945Ki-61-I Hei≈ Dec 1943 – Jan 1945Ki-61-I KoKi-61-I OtsuKi-61-I Tei