Can you use an extended pin box on a fifth wheel?
Extended pin box provides a direct replacement for the Lippert 1621 pin box on your fifth-wheel trailer or RV. Easily bolts onto trailer with existing hardware.
How does an extended pin box-hitch world work?
The Sidewinder moves the pivot from the truck bed to the pin box mounting brackets under the nose of the trailer. In this way you gain 22 inches of increased clearance instead of the typical 9 inches. It is now possible to jackknife the short bed truck with no fear of contact. It is all done automatically.
How tall should the pin box be on a trailer?
The height of the hitch and the pin box should be adjusted so the trailer is approximately level as it is towed. Allow approximately 6 inches clearance between the top of the pickup walls and the underside of the front of the trailer for pitch and roll of the trailer. (See below.)
Where do I find the king pin box?
The easiest way to replace your pin box is to find the pin box’s manufacturer name along with its specific pin box number. These are both typically located on a sticker on the pin box or on the king pin itself.
How big is a 5th Wheel King Pin extender?
From the King Pin on your 5th wheel trailer must be less than 18″ to the back of your 5th wheel plate. RV5 10″ FIFTH WHEEL KING PIN EXTENDER * More trailer swing.
What kind of king pin do I need for RV5?
The finish is powder coat for years of protection and good looks.The RV5 is held securely to the trailer king-pin box with a strong king-pin clamp. It also bolts to the king-pin box for additional stability. The installation fasteners provided are Grade 8.
The Sidewinder moves the pivot from the truck bed to the pin box mounting brackets under the nose of the trailer. In this way you gain 22 inches of increased clearance instead of the typical 9 inches. It is now possible to jackknife the short bed truck with no fear of contact. It is all done automatically.
The height of the hitch and the pin box should be adjusted so the trailer is approximately level as it is towed. Allow approximately 6 inches clearance between the top of the pickup walls and the underside of the front of the trailer for pitch and roll of the trailer. (See below.)
