The Sturmpanzerwagen (roughly German for "armored assault vehicle") A7V; designed in 1916, 20 were built - it weighs 60,000 pounds / 27,215 kilograms. Top speed: 9.3 mph (15 km/h) on roads, or 4.0 mph (6.4 km/h) cross-country. The crew would be a minimum of 18, sometimes up to 25.