The T-3 was the third in the line of 'T' (Tornado) series engines developed by
Wright Aeronautical on the lines of the Wright-Hisso engines produced during the
First World War using monobloc cylinder blocks and gear driven overhead camshafts. The T-1 of 1921 had a power output of , and went into production as the T-2 in 1922 with an increase in power to . The T-3 and T-3A appeared from 1923 producing with the final development, the T-4, producing by December of that year. Wright attempted to build a racing version of the T rated at to rival the
Curtiss D-12, but this was not pursued. ==Applications==