For sale is this Lanz-Bulldog 4090 tractor that was built in 1962. Equipped with its Lanz built single cylinder 3.7 litre diesel engine, the tractor is in decent and good running condition as you can see in the video and on our Youtube Channel.  It has a working 3-point hitch and PTO. 
https://youtu.be/55GrB6yBczk