Colonel Crompton's Superheated Steam Tractor Small 320×194 Medium 640×388 Large 1024×621 Download Tiff Original 2400×1455 | (771.0 KB) Description A superheated steam tractor built by Colonel Crompton. The boiler, located in the front, heats the water, then the steam enters the piston near the rear wheel. The large rear wheel is connected to the gears by a drive chain. Keywords Colonel Crompton's Superheated Steam Tractor, engine, engines, steam engine Galleries Motor Vehicles Source: Encyclopaedia Britannica (11th ed., vol. 18) (New York, NY: The Encyclopaedia Britannica Company, 1910)