Officially presented during the opening of FIAT’s Mirafiori plant in May 1939, the AB 40 ended up being, at that time, one thing of a cutting-edge automobile. Thanks to innovative solutions particularly double drive and free tires mounted as neutral to greatly help overcome hurdles, it had been a match for any foreign rival in identical class. The AB 41 version, introduced in 1941, included several improvements, since the anyone to the key tool, a 20 mm Breda model 1935 cannon.