PD : I agree that your Liedo is much closer to our O gauge size, but when someone mentioned Wyandotte I just had to try.
By the way, Wyandotte is really the All Metal Products Company, founded in 1920, in Wyandotte MI with the idea of making things out of scrap metal. At first they specialized in toy guns ( pop guns, cork shooters, etc) and for awhile were the largest manufacturer of toy guns in the US. The began making girls toys in 29 and litho toys in 36. In 46 they bought Hafner and began to manufacture the Hafner clockwork metal train line. Eventually they just lost out to Marx which was an almost direct competitor both in the litho truck and metal train market and they went bankrupt in 1956. Like Marx they are prized for their great and colorful lithography, and rugged toys with great play value. Also like Marx, They produced the same basic truck that I pictured in many models by just changing the lithography, I have a grocery delivery truck and a tow truck version as well. Wikipedia under "Wyandotte Toys" has some cool pictures and additional details.