Metal Time | Leichttraktor Vs.Kfz.31, 38 parts | World of TanksLeichttraktor Vs. Kfz. 31 (World of Tanks) The Vs. Kfz. 31 Leichttraktor (Light tractor), also known at the time as the Kleintraktor (Small tractor), was a prototype German light tank, of which four distinct versions were made. It was developed and tested in secret at the Soviet German Kama facility, during the Weimar Republic. This was part of the Leichttraktor, also known as the Kleintraktor, project. The tank was designed *around* 1929 and used