Four men in overcoats standing on a tractor
IHC Big Four tractor #2
Breaking the sod
Tractor and car in field
Mogul tractor
Big 4 Tractor
3060 Rumley tractor pulling six grain tanks.
Typical early gas tractor
CPR train loaded with threshing machines.
Sod busting
Tractor and plow
Harvest scene
Plowing in the 1920's
Breaking the sod.
International Big Four tractor