Written by Larry Gay. 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 ...

The popular Allis-Chalmers WC tractor, a 2 ... This PTO-driven combine with a straight-through design had a 40-inch ... This spring turned into the wettest in over a century for parts of the U.S.