It was a water-cooled V12, producing 443 hp (330 kW) and weighing 693 lb (314 kg).

It was designed by Arthur Nutt in 1921 and used in the Curtiss CR-3 for the 1923 Schneider Trophy race.

[1][2] The D-12 was one of the first truly successful aluminum cast-block engines and was extremely influential in the interwar period.

Numerous engines trace their design to the D-12, among them the Packard 1A-1500, Rolls-Royce Kestrel and Junkers Jumo 210.

[3] Comparable engines Related lists