innovative engineering method of getting a big construction vehicle onto the flatbed, might be named Andere Theurer T 10/60

from
http://www.forum-auto.com/automobiles-mythiques-exception/section5/sujet225087-105.htm

https://www.hadel.net/autos/html/d_akt_kippertreffen_kirchhellen2010.php

https://oldtimer-contor.de/andere-theurer-t-10-60/