Furst and Bradley eventually grew to occupy an entire city block at Fulton and Desplaines Streets in Chicago.

The name was subsequently changed to David Bradley Manufacturing Works and in 1958 the company introduced the Garden Riding Tractor and David Bradley became the largest manufacturer of garden riding tractors in the world.

Sears also sold gasoline engines manufactured by Briggs and Stratton under David Bradley, replacing the previously used Economy name.

[2] On February 25, 1838 in Chicago, David Bradley married Cynthia Abbott (1817–1895) of Barre, Vermont.

They had six children:[3] David Bradley died at his home in Chicago on February 19, 1899, and was buried at Rosehill Cemetery.