Officially presented at opening of FIATs Mirafiori plant in May 1939, the AB 40 ended up being, at the time, one thing of a cutting-edge automobile. Because of innovative solutions such as dual drive and free wheels mounted as basic to simply help overcome hurdles, it absolutely was a match for any international rival in identical course. The AB 41 version, introduced in 1941, included several improvements, yet its main weapon (a 20 mm Breda 35 cannon) stayed exactly the same.
