A winch assembly including a winch housing body, an attachment structure, and one or more releasable clamps. The winch housing body may comprise a front wall, a rear wall, and at least one connecting wall that extends between the front wall and the rear wall. The front wall, rear wall, and connecting wall define a winch-receiving volume sized to house a winch device therein. The winch device may include a motor, a drum that is operatively connected to the motor, and a cable that is operatively connected to the drum. The attachment structure may be attached to the distal end of the cable. The one or more releasable clamps may be mounted to the rear wall. The one or more releasable clamps may be configured to clamp onto support rails of differing widths.