The Last Curtiss P-40 ..... No more! all done!
Curtiss P-40N:
Last production version, Curtis model H87V en 87W, over 5500 examples built.
P-40N-1: equipped with a Allison V-1710-81 engine and weight saving measures; 122 gallon internal fuel ; four .50 machine guns in the wing. About 400 examples built. [USAF serials: 42-104429 - 42-104828]
P-40N-5 : circa 1100 examples built; revised canopy; frame-less wind screen; six .50 machine guns in the wing; provision for bombs under the wing . [USAF serials: 42-104829 - 42-105928.]
P-40N-10: provisions for use in cold areas; four machine guns in the wing; about 100 examples built [USAF serials: 42-105929 - 42-106028.]
P-40N-15: about 375 examples with battery repositioned; six machine guns in the wing and enlarged internal fuel capacity. [USAF serials: 42-106029 - 42-106405]
P-40N-20: Over 200 examples with an Allison V-1710-99 engine (in fact a V-1710-81 with automatic engine control. [USAF serials: 42-106406 - 42-106428 en 43-22752 - 43-24251 ]
P-40N-25: 500 examples as P-40N-20 with a revised instrument panel and non-metal self-sealing fuel tanks. [USAF-serials: 43-24252 - 43-24751]
P-40N-30: Identical to P-40N-25, but with renewed electronic equipment and flaps. [USAF-serials: 44-7001 - 44-7500]
P-40N-35: Version with revised carburettor, instruments such as radio and ADF equipment and lights. [USAF serials: 44-7501 - 44-8000]
P-40N-40: Last version of the P-40; equipped with an Allison V-1710--115 engine rated 1300 hp. Further metal ailerons; improved self sealing fuel tanks; new radio an oxygen equipment and flame dampening exhausts . [USAF serials: 44-47749 -
44-47968 ]
Below Curtiss P-40N-40-CU Warhawk 44-47968 at the Curtiss factory which eventually went to RFC Walnut Ridge, Ark Aug 13,1945.


