I replied when I was still waking up, and now that I am fully awake, I can add to my previous post
The Czech version of the minimodel site has been down for the past few weeks, but the designer BucoBox, has all of his models also available on the Slovak page
Úvod - www.minimodel.sk
and the search results for the name Liebherr resulted in
two hits
The original models are 1:100 scale, maxe enlarged it to 1:33, not sure if he encountered any fit problems or not
Rick