Hi together...!
Here´s a video of the test run a few years ago...:
http://www.myvideo.de/watch/1924403/Deutz_Allis
By the time I changed the tires and rims. The ERTL-model was purchased from the states (bossen implement I think...). For $45 + shipping I could not resist...
Making the hood and cab of brass would cost about the same I think, but it would have been much more work.