Built by Charles R. Post in 1937 to reclaim farmlands ruined by floods, the Post Brothers' Plow is considered to be the world's largest plow. Measuring 37 ft. long, 12 ft. high, and 11 ft. wide, with a blade of 86 in. it was pulled by five 100 drawbar h.p. D-8 Caterpillar tractors.
