history of tractors By creedan.peters 1863 the ivention of the tractors henry fords tractor. 1960 better tractors newer version of the tractor 1960 john deer its the newer version of john deer 1991 the new ford tractor it was introduced in 1991 to replace the 7810 2016 2016 john deer this one is the 550 2017 the newest john deer the7230R john deer 2018 2018 john deer this is the 5085M
