EnginesAllison V-1710-39Allison V-1710-39Allison V-1710-39LayoutVCoolingLiquidFuelPetrolDisplacement28.02 LRatingsRegimePowerMethodEmergency1,570 hpWEPAircraft 6193119321933193419351936193719381939194019411942194319441945Kittyhawk IA≈ Dec 1941 – Sep 1942P-40E820≈ 8 Dec 1941 – Apr 1942≈ Jan 1942 – Mar 1942≈ 21 Mar 1942 – May 1943≈ 7 May 1942 – 4 Jul 1942Kittyhawk I560≈ Feb 1942 – May 1943Mustang I620≈ 10 May 1942 – Dec 1944Mustang IA150P-40D