Tiger II is the common name of a German heavy tank of the Second World War. The official German designation was Panzerkampfwagen VI Tiger Ausf. B often shortened to Tiger B, with the ordnance inventory designation Sd.Kfz. 182. It is also known under the informal name K�nigstiger (the German name for the Bengal tiger), often translated by the Americans as King Tiger, and by the British as Royal Tiger.