tractor

thumb|The Ford N-series tractor helped revolutionize modern mechanized agriculture with its Ferguson [[three point hitch]] A tractor is an engineering vehicle specifically designed to deliver a high tractive effort (or torque) at slow speeds, for the purposes of hauling a trailer or machinery such as that used in agriculture, mining or construction. Most commonly, the term is used to describe a farm vehicle that provides the power and traction to mechanize agricultural tasks, especially (and originally) tillage, and now many more. Agricultural implements may be towed behind or mounted on the tractor, and the tractor may also provide a source of power if the implement is mechanised.

thumb|A modern Ukrainian tractor Kharkiv Tractor Plant|XTZ-243Kthumb|This Hayes Truck|Hayes WHDX 70-170 [[6×6 ballast tractor is also a form of tractor, as are artillery tractors and the power units which pull semi-trucks]] thumb|Agricultural tractors per 100 square kilometres of arable land