Abstract: A disposable towel dispenser for mounting to the exterior of a tractor or other vehicle having hydraulic couplers mounted to its exterior. The dispenser is a vertical housing of generally cylindrical shape which has a top cap which is easily removed for insertion of a roll of disposable towels within the housing. The roll of disposable towels rests on an internal platform which has a central opening from which disposable towels may be drawn downward from the center of the roll. The housing is equipped with a protruding bracket on one side which can be slid into a receiving bracket mounted on the tractor provided for mounting of a standard slow moving vehicle sign. The housing may have a receiving bracket mounted to its exterior on the opposite side from the protruding bracket for mounting of a slow moving vehicle sign to the dispenser.