Formally provided on opening of FIATs Mirafiori plant in-may 1939, the AB 40 wound up being, at that time, something of a cutting-edge car. Due to revolutionary solutions such as for example double drive and free tires mounted as fundamental to aid over come obstacles, it absolutely was a match for every international rival in identical course. The AB 41 version, introduced in 1941, included some improvements, yet its primary device (a 20 mm Breda 35 cannon) stayed comparable. Effective at over 70 Kph on the road and very nearly 40 Kph off road (twice when compared with other automobiles into the Regio Esercito), it proved effective in combat regardless of the defects because of use of bad materials to the armour plus the complex 4-wheel steering system. It absolutely was afterwards changed by the enhanced AB 43 variation
