The Panzerkampfwagen IV was developed as a 20-ton class medium support tank by Krupp-Grusion and over 12,000 units of Pz.Kpfw. IV were produced from October 1937 to the end of the war as a prime tank.
Panzerkampfwagen IV Ausf.B (Vs.Kfz.622) were produced using (2.Serie/B.W.) Fgst.Nr.80201 ?? 80242. Only 42 of Panzerkampfwagen IV Ausf.B were completed from April to September 1938. As with the Ausf.A through E were armed with a short 7.5cm tank gun and MG34 in the turret. In the Ausf.B and C, a vision port and a pistol port replaced the machine gun and its ball mount in the superstructure front plate. The superstructure front plate was made from a single straight plate with the driver?
