Here is a lawn tractor that My dad built. What He could not find in the scrap heaps at the recyclers He fabricated and machined. The boiler was made from an oxygen bottle and the cylinder and piston He machined.
He sold this when I was in the army. I now am searching for it and have got several solid leads from a couple of fakebook groups thats interested in such as these.
That is Me standing on the platform and two eldest susters setting in the water tender tanker.
It appears that the neighbor kid must have got some pine board smoke in his eye.
Oh yes, He also built the threshing machine which is fully functional.
He claimed that it all was on about a 1/4 scale case, but, several replies state that it is a design all its own, with some Case resemblences.