In 1918, when the A7V was introduced, the British had begun fielding the Mark V, the original model of which was a 29-ton heavy tank with a crew of eight, armed with dual 6-pound guns. The A7V was ...

This heavy tank had its first engagement on May 5 ... produced the first prototype — the Sturmpanzerwagen A7V — in 1917 at the behest of the German War Ministry's 7 Abteilung, Verkehrswesen ...