Typical early gas tractor
Gas tractor on threshing machine
Breaking the sod.
Sod busting
Big Four gas tractor and Avery separator
Machinery by Beaver Lumber building
International Big Four tractor
Early gas tractor
IHC Big Four tractor #1
IHC Big Four tractor #2
Gas tractor train
Tractor and plow.
Tractor and car in field
Breaking the sod
Mogul tractor