Tractor - Wikipedia: "The word tractor was taken from Latin, being the agent noun of trahere "to pull". The first recorded use of the word meaning "an engine or vehicle for pulling wagons or ploughs" occurred in 1901, displacing the earlier term "traction engine" (1859)"
CORNWAYS – The history of tractors: "1840 — Development of the first steam–powered traction engine in England for work in the fields, power output from 5 to 20 hp 1885 — Nikolaus August Otto invents the four–stroke petrol engine 1889 — Development of the first tractor using an Otto motor drive propulsion system by John Carter from Illinois, USA – regarded as the prototype of all subsequent tractors 1902 — The Hart–Parr company in Charles City, Iowa, begins to manufacture tractors under industrial conditions"
History of Tractors - Living History Farms: "1868: The first engine-powered farm tractors used steam. 1870-1890 1878: The Internal Combustion Engine made its appearance - this is the engine used in cars today. These gasoline engines started replacing stationary steam engines."
History Of The Tractor - How It Changed Farming: "Within the first few decades, tractor use was slow to catch on. Yet once farmers realized the benefits that could be had in tractor-driven farming, popularity soared. There was no need for cumbersome manual labor when a simple machine like a tractor could do the job for you. From 1910-1970, tractor production drastically increased from 1000 tractors to nearly 5 million."
