Bergman's D-21 FWA - issue #74
In 1967, Allis-Chalmers installed hydraulic front wheel assist axles on ten of their tractors for test-marketing, but the D-21 FWA never went into production. While there are a couple other D-21s out there with FWA axles on them, they are not any of the first 10 built. Could this be one?? Go along with us as we try to piece together the puzzle in issue #74 - Mar/Apr 2021.
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