The Hawk 75 fighter was an export version of Curtiss's P-36 and was sold to a number of countries including China and France. When used by the French Armee de l'Air during the German
invasion in May 1940 it proved itself to be a formidable foe against the Bf 109.
Two years after staring development of their P-36 Hawk, Curtiss turned to developing an export version which would be designated the Hawk 75. Despite having a less powerful Wright radial
engine fitted the Hawk 75 was very similar to its P-36 relation.
The Chinese government would be one of the first countries to buy the new aircraft. Buying not only the demonstration aircraft, but placing an order for 112 during 1938. These aircraft
would be known as Hawk 75Ms and would have a top speed of 280 mph, fixed undercarriage with armament comprising of one machine-gun in each wing and two in the nose. These aircraft would
see service during the Sino-Japanese war.
The following year, 1939, saw twenty five Hawk 75Ns supplied to the Thai Air Force. These differed a little to the Hawk 75M and featured an additional two 0.30-in machine-guns and could
hold upto 300lb of bombs. This aircraft would see action in the invasion of French Indo-China during January 1941 and then at the end of the year in December when Japan invaded Thailand.
The French Armeede L'Air also became a customer with a total of 1,130 ordered, known as 75As, although only 341 would be received before the fall of France with a further 251 which had
been produced being sent to the British Royal Air Force and re-named Mohawk. The French version featured re-tractable undercarriage helping the plane achieve a top speed of 322 mph and
armament consisted of two 0.50-in machine-guns and four 0.30-in machine-guns. Whilst in service with the French Armee de l'Air the Hawk 75A came up against the Messerschmitt Bf 109 and
despite being slower proved a formidable foe.
The final production version was the Hawk 75O which was for use by Argentina with a total of fifty produced, 20 by Curtiss, including a sole 75H demonstration aircraft, with a further
thirty produced under license in Argentina.
Also see: Curtiss P-36 Hawk
||two 0.50-in machine-guns
four 0.30-in machine-guns
||Prototype version with a 850-hp Wright Cyclone R-1820 engine.
||Prototype with a Wright Whirlwind R-1670 engine.
||Two export versions with fixed undercarriage.
||Would become the Curtiss YP-37.
||Sole 75A with an external supercharger temporarily added.
||None produced, was to use the 910-hp Pratt & Whitney R-2180 Twin Hornet engine.
||Exported to Thailand.
||30 exported to Argentina with an additional 20 built under license in Argentina.
||Would become the Curtiss P-40 Kittyhawk.
||Two additional demonstration aircraft sent to China.
||75A fitted with a 900-hp Pratt & Whitney R-1830-SC2-G engine with a turbo supercharger, temporarily.
||Would become the XP-42.