 Hispano-Suiza 12N

The Hispano-Suiza 12N was one of two new V-12 engine designs first run in 1928 and was manufactured by Hispano-Suiza's French subsidiary for the Armee d'l'Air.It produced about , was the first to use gas nitride hardening and introduced wet cylinder liners into Hispano-Suiza's aircraft engine range.