Oliver '80' rowcrop agricultural tractor on 'narrow-vee' dual steel front wheels and 'tip-toe' steel rear wheels, by Oliver Farm Equipment Company, Charles City, Iowa, U.S.A., Serial No. 111486 KD, 1944. Engine: 4-cylinder overhead valve gasoline (petrol)/kerosene/distillate. Fitted with power take-off and gear-box operated mechanical implement lift. Oliver '80' rowcrop agricultural tractor on 'narrow-vee' dual steel front wheels and 'tip-toe' steel rear wheels 1944
Oliver 'Hart-Parr' 18-28 agricultural tractor on steel wheels, by the Oliver Farm Equipment Company, Charles City, Iowa, U.S.A., Serial No. 802529, 1936. Engine: 4-cylinder overhead valve gasoline (petrol)/kerosene/distillate. Oliver 'Hart-Parr' 18-28 agricultural tractor on steel wheels 1936
Austin agricultural tractor on steel rear wheels, and cast front wheels, by The Austin Motor Company, Longbridge, Birmingham, c. 1919. Engine: 4-cylinder side valve petrol/paraffin. Austin agricultural tractor on steel rear wheels 1914-1924
McCormick-Deering Farmall 'Regular' rowcrop agricultural tractor on 'narrow-vee' dual front steel wheels and steel rear wheels with spade lugs and road bands, by International Harvester Corporation Chicago, Illinois, United States of America, Serial No. QC 52616, 1926. Engine: Serial No. QC 50170, 20 hp 4-cylinder overhead valve gasoline(petrol) /kerosene. The first tractor produced specifically for rowcrop cultivation, with high axle clearance, and designed to carry a range of implements for precision row cultivation, fitted to the front, underneath, and to the rear of the tractor. McCormick-Deering Farmall 'Regular' rowcrop agricultural tractor 1926