Development of the Land-wasser-schlepper (Land-Water-Tractor) started in 1936, though the very first 7 cars was finished in July of 1940. One more 14 was in fact created by March of 1941. It absolutely was designed by Rheinmetall-Borsig as an amphibious automobile to be used by engineers nevertheless it lacked storage space and loading/unloading access. To overcome this problem, unique 10 and 20 ton amphibious trailers had been made. It carried 3 to 5 males crew and 20 people. Another problem finished up being it absolutely was unarmored and may even maybe not run effectively in the combat area. LWS saw solution in Russia and North Africa .