Allis-Chalmers introduced its WD tractor in mid-1948 as the replacement for the WC model. Although the WD retained the 4-cylinder, 201-cubic-inch Allis-Chalmers gasoline engine, design improvements ...
KIMBALL, Minn. — Five years ago Dave Frank of Kimball was ready to restore the Allis Chalmers WD that he had purchased at auction, until his father, Melvin, issued a challenge. "He told me ’Do ...