The Sd.Kfz. 4 Gleisketten-Lastkraftwagen (“tracked truck”), was a 4.5-tonne military truck of Maultier (“mule”) half-track family developed during World War II by Germany. Its manufacturer designation was Mercedes-Benz L4500R. The Sd.Kfz. 4 was developed after the 1941 invasion of the USSR to deal with the ice and mud, which bogged down the wheels-only road-bound commercial vehicles ...