The Subject: The German SdKfz 251 Halftrack began production in 1939 starting with the A model, continuing with the B, C and finishing up with the D which began production in 1943. Their original assignment was to carry small numbers of troops to and from the Battlefield and to provide cover fire with either a MG 34 or MG 42. Approximately 15,000 where manufactured with at least 22 variants, making them the most produced German Halftrack of the war, including everything from infrared detection, flame throwers, Anti-Aircraft guns, mortars and even a telephone line layer.