The Auto Tractor

Early Auto Tractor utilized automobile engine's power

The Auto Tractor pulling a road grader
The Auto Tractor pulling a road grader: Hard to believe, but this is the direct ancestor of today's road patrols. This picture gives a good perspective on the relation of the rear car wheels to the traction wheels. Also, this is an "action" photo: Note theĀ  blur of the rear wheel spokes.