Through second World War, the German Army used many 3 tons moderate cars to perform tactical transportation and logistics duties. The difficult running conditions, offer on numerous fronts, made 1st vehicles unsuitable for off road purposes. Because only halftracks could run in these conditions, a big levels of vehicles is transformed by eliminating their straight back axles and putting groundbreaking driveshafts predicated on tracks. The Maultier SdKfz 3a halftrack finished up being made based on the popular Opel Blitz simply because Maultier SdKfz 3b utilized the Ford V3000S vehicle framework manufactured in the Cologne factory until 1941. The extreme freedom linked to the half-tracks Maultier made them perfect for the application of tool systems such as the Flak 38 20mm.