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steam tractor was inveted in 1769 by Nicolas Cugnot in French and the steam tractor worked by pumping pistons up and down to move the wheels. -
Steam train was invented in England in 1804 by Richard Trevithick and In 1829, George Stephelson and his son Robert won a competition to invent the fastest steam train. -
Diesel Engine Trains was invented in Germany by Rudolf Diesel in 1900s and were also replacing steam trains.