Officially presented at the opening of FIAT’s Mirafiori plant in-may 1939, the AB 40 was, at that time, one thing of a cutting-edge car. Because of innovative solutions such as for example dual drive and free tires mounted as neutral to simply help overcome hurdles, it was a match for just about any international rival in the same class. The AB 41 version, introduced in 1941, included several improvements, because the one to the main tool, a 20 mm Breda model 1935 cannon.