EnginesNakajima NK1F Sakae 21Nakajima NK1F Sakae 21Nakajima NK1F Sakae 21LayoutRadialCoolingAirFuelPetrolDisplacement27.9 LDry weight590 kgAircraft 5193119321933193419351936193719381939194019411942194319441945A6M3 Model 32343≈ Aug 1942 – 5 Jan 1944A6M3 Model 22560≈ Dec 1942 – 5 Jan 1944A6M5 Model 52≈ Sep 1943 – Aug 1945A6M5b Model 52 Otsu≈ Apr 1944 – Aug 1945A6M5a Model 52 Kō