Allis Chalmers D21

via Tractors, Traction Engines Bridges, Roads, Etc – Google+ Public Posts http://ift.tt/2m3DNE8
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https://www.youtube.com/watch?v=THdQaFuq1hs

via Tractors, Traction Engines Bridges, Roads, Etc – Google+ Public Posts http://ift.tt/2mDG3ih