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What's The Minimum Bed Rail Clearance Needed For A Gooseneck/5TH Wheel Trailer with a 2021 Ram 3500?

Question:

I have a 2021 Ram 3500. How high should the trailer be off the bed?

1

Helpful Expert Reply:

I recommend at least 6" of clearance from the top of your bed rails on your 2021 Ram 3500 to the underbelly of your gooseneck or 5th wheel trailer.

If using a gooseneck trailer and if you have the factory in bed prep/puck system there are different gooseneck balls available with different heights. The Curt Ball and Safety Chain Loops Kit # C60618 has a ball height of 4" from the top of the ball to the flange that sits on the in bed hitch. The B&W Ball and Safety Chain Kit # BWGNXA2062 has a ball height of 5-3/4" from the top of the ball to the flange that sits on the bed hitch.

For a 5th wheel trailer the hitch will generally have a height adjustment as well as the pin box to fine tune your height.

Gooseneck Ball Heights For Ram Factory In Bed Prep/Puck Hitch
Gooseneck Ball Heights For Ram Factory In Bed Prep/Puck Hitch
(click to enlarge)
helpful expert reply by:
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Gregory M

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