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Is There a Pin Box Replacement for a Rhino Box that Has More Clearance  

Updated 11/09/2026 | Published 11/08/2026

Question:

I have a camper with a rhino pin box, which is pretty short. I am looking to upgrade my pin box. Are there any out there that will give me a little more distance from the kingpin to the first Row of bolts. I have read that the gen-y GH-8051 has a longer distance from kingpin to the bolts and does fit the rhino bolt pattern. Any help you can provide would be greatly appreciated

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Expert Reply:

Hey Michael, there isn't a significant enough length distance between any of the pin boxes to give you additional turning clearance like it sounds like you are looking for. They all generally have the king pin location in the same area or really close as they don't want to add additional stress on the RV frame by making the pin box longer. Are you only wanting more clearance from the pin box upgrade or are you also interested in cushioning?

The Gen-Y part # GY78GR that fits in place of a Rhino Pin box has it's king pin about 3/8 of an inch further out than a standard Rhino so it wouldn't help much.

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Jameson C
Gen-Y
Gen-Y
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Michael B. profile picture

Michael B.

11/9/2026

Cushioning would be nice. A few inches was all I am really looking for to give a little extra clearance for my short bed truck (6 3/4’) to make it like it was with my old fifth wheel. I’ve been using a solid pin box for the last 8 years on my old fifth wheel and it really seemed to beat me up towing it. I guess it sounds like I need to look into an auto sliding hitch instead. I already have a manual sliding one.

Jameson C. profile picture
Etrailer Expert

Jameson C.

11/9/2026

@MichaelB auto sliders are really nice! Does your truck have a set of above bed rails installed in it currently?

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