Formally presented during the opening of FIATs Mirafiori plant in-may 1939, the AB 40 was, at that time, something of a cutting-edge automobile. As a consequence of innovative solutions particularly dual drive and extra wheels mounted as basic to simply help get over obstacles, it had been a match for any international rival in identical class. The AB 41 variation, introduced in 1941, included some improvements, yet its primary gun (a 20 mm Breda 35 cannon) stayed the exact same.