Sliding Hitch or Sidewinder Pin Box for 2012 Toyota Tundra Crew Max with 5-1/2 Foot Bed  

Question:

Expert Reply:

We do not currently sell the PullRite 3100 Super Slide, but the Demco Hijacker Autoslide # DM8550034 is also an autoslide hitch that is comparable to the PullRite Super Slide. With that being said, we don't recommend using a sliding hitch on a 5-1/2 foot truck bed because of the likelihood of the hitch backing up into the truck's tailgate when at full extension and damaging the tailgate.

For this reason we recommend using a Sidewinder pin box like the Reese # RP61422 which is designed to work as a replacement for a number of different pinboxes listed below:

-663
-665
-0719
-1621
-1621HD


Not only will a Sidewinder eliminate the chance that your slider hitch hits the tailgate of your truck, it's going to provide more clearance than a slider hitch- for reference the # RP61422 provides 22" of clearance, which is the same as the PullRite. Going with this would most likely allow you to continue using your existing RBW 5th Wheel Hitch and not have to worry about installing new bed rails and a new hitch.

In order to determine which pin box is going to work on your Triumph 5th Wheel you'll need to check your existing pin box. The pin box number is usually displayed somewhere on the pin box, either on a sticker or stamped into the king pin itself. If it's not there or worn out, you will have to call the trailer manufacturer with the VIN or serial number to have them provide the coupler type. Check out the linked article and if you can let me know which pin box is on your Triumph 5th Wheel, I can recommend the appropriate replacement.

expert reply by: Erik B

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