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2018 Ram 2500 with Rambox and the Sidewinder Pinbox

Question:

I know this has been asked loads of times on here. However, I am not finding the complete answer. I have a 2018 Ram 2500 6.4 w/Rambox. I know the Sidewinder is the most widely accepted method - however, from what I can tell, the 2018 Rambox 2500 does not have the puck system installed? If this is the case, other than trying to get the OEM puck system installed, what options do I have? I was looking at the B&W Companion 5th Wheel Trailer Hitch w/ Slider # BWRVK3400-5W with the Custom Underbed Installation Kit for B&W Companion 5th Wheel Trailer Hitches Item # BWGNRK1384-5W. From the measurements provided, I should have clearance with my pinbox. Are there any other options?

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Expert Reply:

That you are looking at the B&W options for 5th wheel hitches is great; they are possibly the best manufacturer of hitches currently on the market. We can get you set up for proper hauling of a 5th wheel with your Rambox equipped 2500 series Ram however, the use of the B&W Companion 5th Wheel Trailer Hitch w/ Slider # BWRVK3400-5W that you have listed is not the way to go with a Sidewinder pinbox.

If you do not have the factory installed puck system in your 2018 Ram 2500, that is not an issue at all. Simply use the fixed type hitch of the B&W Patriot 5th Wheel Trailer Hitch,18,000 lbs. # BWRVK3255 and the B&W Custom Installation Kit w/ Base Rails for 5th Wheel Trailer Hitches # BWRVK2602. Please note the linked product installation video of this set-up being installed in a 2018 Ram 2500. To use a Sidewinder Pin box that you mentioned, such as the # RP61422, will move the pivot point of your trailer back 22 inches. Doing so provides better turning clearance with your RamBox.

The RamBox system which greatly narrows the turning clearance is the challenge to address with your truck. The sidewinder pinbox is the way to go with a Rambox equipped truck but a slide type hitch can not be used with a rotating turret type pinbox such as the Sidewinder. That is why you need a fixed position hitch when using a rotating turret pinbox.

If you do not already have the Sidewinder in place, please let us know what pin box is currently installed and we will make a recommendation of which model Sidewinder to use.

Please note the helpful links below and along with the product review and installation videos. Happy Camping!

expert reply by:
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Michael R

Question:

I believe I have a 1621 pinbox?

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Expert Reply:

For a Lippert 1621 I suggest either the Reese Sidewinder 5th Wheel King Pin with Rotating Turret, # RP34FR or the 5th Airborne Premium 5th Wheel Air Ride King Pin w/ Sidewinder and Turret, # RP61422 if you prefer the added feature of an air ride.

expert reply by:
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Michael R

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