Following its buy out of LaPlant-Choate in 1952, Allis-Chalmers proceeded to improve and enhance its products. One of the first machines to receive attention was...
Having led the charge for larger, higher horsepower tractors following WWII, Allis-Chalmers once again was at the forefront of large tractor development when the model...
Developed directly from its model HD-20 (introduced 1951), the HD-21 featured among other things, one of the diesel engines from the recently acquired Buda Engine...