Formally introduced within opening of FIAT’s Mirafiori plant in-may 1939, the AB 40 wound up being, during those times, an essential factor of a cutting-edge car. Due to innovative solutions such as for instance twin drive and free tires mounted as fundamental to help overcome hurdles, it had been a match for just about any worldwide rival in the same program. The AB 41 variation, introduced in 1941, included a few improvements, once the you to the key device, a 20 mm Breda model 1935 cannon.