 It saw action during the defence of Rome in 1943 and later served with the Germans in Northern Italy and the Balkans.141 were produced during the war (60 before the Armistice of Cassibile in September 1943, 81 later under German control).After the success of the Semovente da 75/18, it was decided to build a self-propelled gun with a better gun, to improve its anti-tank capability (which on the former was given by the use of HEAT shells); some prototypes were built which replaced the Obice da 75/18 with a 75 mm L/32 field gun on the M14/41 tank chassis.