Classic Machines: The Allis-Chalmers HD-19 revisited
Allis-Chalmers led the charge for a bigger, higher horsepower track type tractor following World War Two. The resulting model HD-19 was a breakthrough in many
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Classic Machines: Allis-Chalmers HD-41 tractor
Having led the charge for larger, higher horsepower tractors following WWII, Allis-Chalmers once again was is the forefront of large tractor development when the model