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The John Deere model GP was built in five distinct versions through the course of its production: 1  The standard-front GP, or John Deere Standard, built from March 1928 to February 1935. 2  The John Deere two-wheel tricycle-front GP, or GP-tricycle, of which twenty-three units were built between August 1928 and April 1929.
When was the first John deere tractor invented by John Deere? Actually, John Deere did not invent the first John Deere tractor. Joseph Dain, an engineer and board member of Deere & Company, around 1900 designed and built the first tractoâ¦r to bear the John Deere name. By that time, John Deere had already passed away.