Classic MachinesTractorsThe Allis-Chalmers HD-20 track type tractorContractor MagazineJune 19, 2019September 20, 2024 by Contractor MagazineJune 19, 2019September 20, 2024 ...
Allis-ChalmersModel CollectorThe Allis-Chalmers HD-21 tractorContrafed PUblishingMarch 23, 2016September 24, 2024 by Contrafed PUblishingMarch 23, 2016September 24, 2024 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...