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PopUp RV4 5th Wheel to Gooseneck Hitch Adapter

Brand: PopUp
Adapts fifth wheel king pin type trailers to fit gooseneck trailer hitch. For use on flatbed trucks only, will not clear pickup box side rails. More details...
List Price: $538.49
Price: $419.95
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PopUp RV4 5th Wheel to Gooseneck Hitch Adapter
PopUp RV4 5th Wheel to Gooseneck Hitch Adapter
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Product Details

Fifth Wheel Gooseneck Adapter with Fixed 7.5" Rise and 9" Offset.

The RV4 is designed for use with flatbed pickup trucks.  It doesn't offer enough clearance over the side rails for standard pickup beds.


  • Now you can pull your RV trailer with a gooseneck ball.

  • Fits standard king-pin box.

  • Self-latching GN8 2-5/16" "V-19" rated coupler.

  • Precision coupler casting extends life of ball.

  • 9" offset for more trailer swing, added maneuverability.

  • 7-1/2" fixed height for tall truck beds.

  • Powder coated finish.

  • Easy bolt-on installation.

  • 24,000 lbs. Gross Trailer Weight.

  • 6,000 lbs. Gross Tongue Weight.

The PopUp RV4 will let you pull your RV trailer with a gooseneck ball even if your tow vehicle bed is tall, as is usually the case with flat beds. The RV4 has a FIXED HEIGHT of only 7-1/2"   MEASURED FROM TOP OF BALL TO KING PIN PLATE  and provides a full 9" of rearward offset for increased trailer swing and maneuverability. The RV4 mounts to the king-pin box using the same strong machined king-pin clamp used with the RV1, RV2 and RV3.

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