Ca. 1925 Oil Pull Model L, 15-25
Manufatured by the Advance-Rumley Thresher Co., La Porte, Ind. This tractor is powered by an Oil Pull 2-cylinder, horizontal engine with a 5 13/16" x 7" bore and stroke. It produces 15 drawbar and 25 brake horsepower @ 755 rpm. Engine serial number 732. Owned by Lee Dyal. In memory of Bill Rohr.
Photo courtesy of Ralph Paterson