Tractors
A tractor is an engineering vehicle specifically designed to deliver a high tractive effort at slow speeds, for the purposes of hauling a trailer or machinery used in agriculture or construction.The general purpose tractor proved to be an excellent replacement for the horse in plowing, soil preparation, planting, and cultivating tasks for a wide variety of field crops. In addition, the tractor was fully capable of providing power for mowing hay and for harvesting of wheat and other small grains