Drive mechanism for low-floor vehicles with a primarily sprung running gear frame (1) and wheel discs (8), each of which a structurally identical drive unit are driven, wherein each drive unit on the running gear frame (1) a fixed driving motor (6) as well as a planetary gear (2), the axially aligned with the wheel axle of the wheel disc within a wheel well are arranged, wherein the running gear frame longitudinal girder, each traction motor (6) on the inner side of the respective wheel disc (8) within the longitudinal girder and each planetary gear (2) on the outside of the respective wheel disc (8) is.
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