Hydraulic steering wheel planetary steering crawler tractor

The invention discloses a hydraulic steering wheel planetary steering crawler tractor, which is characterized by being provided with a hydraulic steering wheel steering brake control device (1), a planetary steering mechanism steering linkage device (2), a right connecting rod assembly (3) and a left connecting rod assembly (4), wherein the planetary steering mechanism steering linkage device (2) comprises a left planetary steering mechanism (2A), a left planetary steering mechanism brake (2B), a left half axle brake (2C), a right planetary steering mechanism (2D), a right planetary steering mechanism brake (2E), a right half axle brake (2F), a central transmission bevel gear wheel (2G), a planetary steering mechanism large gear ring (2H) and a rear axle housing (2K), and the hydraulic steering wheel steering brake control device (1) is connected with the right half axle brake (2F) through the right connecting rod assembly (3) and is connected with the left half axle brake (2C) through the left connecting rod assembly (4). The tractor disclosed by the invention has the advantages of easiness in operation, long service life and high work efficiency.