Char B1, literally: Tank B1, was a heavy French tank with a frontal armor of 40 mm and a short 47 mm gun. The B1 started out as self-propelled gun with an 75 mm field howitzer. The added secondary 47 mm gun gave it a Battle Tank status, two 7.5 mm Reibel Machine Guns completed the heavt tank. The Char B1 bis was an upgraded version with 60 mm frontal armor and 55 mm side armor. A longer 47 mm gun gave it real anti-tank capacity. It had a top speed of 25 km/h.
