The Établissements Henry Precloux commenced building light cars in Courbevoie (Paris) in 1921.
Originally they used a Ruby 903 cc four-cylinder, later engines from other manufacturers of up to 1.5 liters were installed.
[2] In 1928 the DU model appeared, fitted with an inline-six of 1,300 cc.
automobiles also saw much competition, participating in four 24 Hours of Le Mans races, coming in second in the 1928 "Index of Thermal Efficiency".
driven by Boris Ivanowski also won the 1926 24-hour "Bol d'Or" race in St. Germain, with an average speed of 66.9 km/h (41.6 mph).