An in-wheel motor (10, 10a) comprising: a first motor; a second motor; a first sun gear (21, 71) which is connected to the first motor; a first pinion gear (22, 72) which meshes with the first sun gear (21, 71); a first carrier (23, 73) which holds the first pinion gear (22, 72) so that the first pinion gear (22, 72) rotates and the first pinion gear (22, 72) revolves about the first sun gear (21, 71); a clutch device which regulates the rotation of the first carrier (23, 73); a first ring gear (24, 74) which meshes with the first pinion gear (22, 72) and is connected to the second motor; a second sun gear (31, 81) which is connected to the first motor; a second pinion gear (32a, 82a) which meshes with the second sun gear (31, 81); a third pinion gear (32b, 82b) which meshes with the second pinion gear (32a, 82a); a second carrier (33, 83) which holds the second pinion gear (32a, 82a) and the third pinion gear (32b, 82b) so that the second pinion gear (32a, 82a) and the third pinion gear (32b, 82b) respectively rotate and the second pinion gear (32a, 82a) and the third pinion gear (32b, 82b) revolve about the second sun gear (31, 81) and is connected to the first ring gear (24, 74); a second ring gear (34, 84) which meshes with the third pinion gear (32b, 82b); a third sun gear which is connected to the second ring gear (34, 84); a fourth pinion gear which meshes with the third sun gear; a third carrier which holds the fourth pinion gear so that the fourth pinion gear rotates and the fourth pinion gear revolves about the third sun gear and is connected to the vehicle wheel of the electric vehicle, and a third ring gear which meshes with the fourth pinion gear and is fixed to a stationary system. a first motor; a second motor; a first sun gear (21, 71) which is connected to the first motor; a first pinion gear (22, 72) which meshes with the first sun gear (21, 71); a first carrier (23, 73) which holds the first pinion gear (22, 72) so that the first pinion gear (22, 72) rotates and the first pinion gear (22, 72) revolves about the first sun gear (21, 71); a clutch device which regulates the rotation of the first carrier (23, 73); a first ring gear (24, 74) which meshes with the first pinion gear (22, 72) and is connected to the second motor; a second sun gear (31, 81) which is connected to the first motor; a second pinion gear (32a, 82a) which meshes with the second sun gear (31, 81); a third pinion gear (32b, 82b) which meshes with the second pinion gear (32a, 82a); a second carrier (33, 83) which holds the second pinion gear (32a, 82a) and the third pinion gear (32b, 82b) so that the second pinion gear (32a, 82a) and the third pinion gear (32b, 82b) respectively rotate and the second pinion gear (32a, 82a) and the third pinion gear (32b, 82b) revolve about the second sun gear (31, 81) and is connected to the first ring gear (24, 74); a second ring gear (34, 84) which meshes with the third pinion gear (32b, 82b); a third sun gear which is connected to the second ring gear (34, 84); a fourth pinion gear which meshes with the third sun gear; a third carrier which holds the fourth pinion gear so that the fourth pinion gear rotates and the fourth pinion gear revolves about the third sun gear and is connected to the vehicle wheel of the electric vehicle, and a third ring gear which meshes with the fourth pinion gear and is fixed to a stationary system.