ZiS-3 is anachronism too, cause it started service in 1942 Flexo 15:56, 15 January 2012 (CST)
Sd.Kfz.184 entered in spring 1943 under the name Ferdinand. In 1944, after modification of the existing vehicles, they were renamed Elefant Flexo 16:04, 15 January 2012 (CST)