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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.
The problem of the plains was solved by a black smith from Vermont named John Deere. Deere moved to Grand Detour, Illinois in 1836. He invented a blade which was self polishing and combined the share and moldboard into a one piece plow. Deere moved his factory to Moline Illinois and began manufacturing in 1847.