Coupling To The Tow Vehicle 4.4 GOOSENECK TRAILER WITH BALL RECEIVER A gooseneck ball receiver on the trailer connects to a gooseneck ball that you must have installed in the bed of the tow vehicle. The following figure shows a trailer with a gooseneck ball receiver. If your trailer is equipped with a fifth wheel or king pin, see the instruction provided by the manufacturer. 68 Gooseneck Trailer With Ball Receiver We have installed a receiver that is suitable for the size and weight of the trailer. The load rating of the coupler and the necessary ball size are listed on the gooseneck. You must provide a gooseneck ball and support structure that is marked with a rating that meets or exceeds the GVWR of your trailer and matches the size of the gooseneck ball receiver. If the gooseneck ball is too small, is underrated, is loose or is worn, the trailer can come loose from the tow vehicle, and may lead to death or serious injury. THE TOW VEHICLE, SUPPORT STRUCTURE AND GOOSENECK BALL MUST HAVE A RATED TOWING CAPACITY EQUAL TO OR GREATER THAN THE TRAILER Gross Vehicle Weight Rating (GVWR). IT IS ESSENTIAL THAT THE GOOSENECK BALL BE OF THE SAME SIZE AS THE GOOSENECK BALL RECEIVER.
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