Officine Meccaniche or OM was an Italian car and truck manufacturing company, founded in 1899 in Milan as Societa Anonima Officine Meccaniche. It disappeared as such in 1975 subsumed into Iveco, but still exist as a forklift builder. The inception of the company had resulted from the merger of two companies, Grondona Comi & C and Miani Silvestri & C. Originally, OM manufactured railway stock. Car production started in 1918, using the plant of the former Brixia-Zust , just after OM took over Zust car company of Brescia, Northern Italy. The first OM car, Tipo S305, primarily an old Zust... model, appeared in 1918 with a 4712 cc four-cylinder side-valve in-line engine. Further models were Tipo 465 in 1919, Tipo 467 and Tipo 469 in 1921. 1923 saw an all new model, Tipo 665 'Superba' with a 2-litre six-cylinder engine. This model was extremely successful in racing - won top five positions in the 2-litre class in 1925 and 1926 at Le Mans but the greatest achievement was the victory in the first Mille Miglia race in 1927 where Ferdinando Minoia and Giuseppe Morandi lead home an O.M. '123' at average speed of 48.
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