Disclosed is a universal wheel mower, comprising a mower body (1) and a universal wheel assembly (2) connected to the mower body (1), the universal wheel assembly (2) comprising a roller (2.1), a support (2.2), and a rotation shaft (2.3) mounted on the support (2.2), characterized in that the universal wheel mower further comprises a locating plate (2.4), the locating plate (2.4) is rotatably connected to the mower body (1), a pull wire connection point (2.41) connected to a pull wire (3) is provided on the rear left side of the locating plate (2.4), a tension spring connection point (2.42) connected to a tension spring (4) is provided on the front left side of the locating plate (2.4), and a large and a small elongate hole, which fit with the rotation shaft (2.3) and are in communication with each other, are provided on the right side of the locating plate (2.4). By means of fitting the locating plate with the rotation shaft, the present utility model can achieve the switch of the universal wheel between a universal state and a straight moving state and can also adjust the height of an end portion of the mower body above the ground, and the universal wheel can be directly switched between the universal state and the straight moving state by means of a handle beside a hand grab. The present utility model has a simple structure, and can be conveniently used.Linvention concerne une faucheuse à roue universelle comprenant un corps de faucheuse (1) et un ensemble roue universelle (2) raccordé au corps de faucheuse (1), lensemble roue universelle (2) comprenant un rouleau (2.1), un support (2.2) et un arbre de rotation (2.3) monté sur le support (2.2), caractérisé en ce que la faucheuse à roue universelle comprend en outre une plaque de positionnement (2.4), la plaque de positionnement (2.4) est raccordée de manière rotative au corps de faucheuse (1), un point de raccordement de câble de traction (2.41) raccordé à un câble de traction (3) est disposé sur le côté arrière
