The Ducati 750 GT was an Italian motorcycle produced by Ducati starting in 1971. Designed by Fabio Taglioni, the motorcycle was the first Ducati to bear a 90° V-twin engine configuration; this configuration became a signature feature in the Ducati bikes that followed.

Ductalk Editors note - This photo is of the prototype of the bike that started it all for the Ducati twins.  It would be hard to argue it's one of the most important Ducati's ever produced.