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 ...

"There was no grass around it because so many people had walked around the tractor to look at everything that had been done." The WD continues to draw a crowd. His fascination with Allis Chalmers ...