Do You Need an Offset Ball for a Short Bed F-350 with a Gooseneck Pin Box?  

Question:

Expert Reply:

Jim, you’re definitely on the right track here, and I like that you’re thinking ahead about clearance before simplifying your setup. With the rounded front on your Sprinter and your past experience not needing a slider, there’s a good chance you may not need an offset ball, but it’s smart to verify instead of guessing so you don’t run into cab contact in a tight turn.

One important thing to keep in mind is the Gen-Y pin box you mentioned part # GY48FR. That particular model is a bit shorter than a standard pin box, so it can actually reduce your cab clearance rather than increase it. That doesn’t mean it won’t work, but it does make checking your measurements even more important before making the switch. Also keep in mind this particular pin box will only replace the Lippert 1116/1716 - 30K GTW pin boxes. So you would want to doublecheck your pin box as well.

A simple way to figure out if you need an offset is to use a quick clearance calculation. Take the distance from the center of your gooseneck ball to the back of your truck cab, then add any offset you’re considering, and subtract half the width of your trailer. The number you end up with is your clearance, and you’ll want that to be at least about four inches to feel comfortable making a full ninety degree turn without getting into the cab.

(A + B) - C = Clearance

I would start by running that with no offset since that’s the simplest setup and likely closest to what you want. If that already puts you in a safe range, you’re good to go without adding anything. If it comes up short, then adding something like a five inch offset ball part # GY43XR can give you that extra margin, as long as your truck has the factory prep package to accept it. That way you’re only adding complexity if the numbers show you actually need it.

This approach gives you a clear answer based on your exact truck and trailer so you can tow confidently without worrying about tight backing situations or giving up the clean bed space you’re after. Where do you usually camp, tighter wooded sites or more open pull through parks?

expert reply by: Heather A

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Scott

4/16/2026

If you have a short box, you may want to consider using a slider fifth wheel hitch because I don't believe that the goose neck hitch will allow for a very tight turn causing the trailer to hit the cab of your truck.

Steven

4/17/2026

Jim I have a 2022 Chevy short box pulling a Montana Legacy we just returned home from a 2K trip i do have the extention pin box but honestly dont know that I need it made some very sharp turns had absolutely zero issues never got to close to my cab hope this helps

Heather A.

4/17/2026

@Steven This is a good example of how much the trailer design, especially that front cap shape, plays into clearance. A lot of newer fifth wheels with those rounded fronts can make tighter turns than people expect, even on short bed trucks, so your experience lines up with what Jim is trying to figure out. Appreciate you adding that in. Where was your trip!?

Jim

4/21/2026

@HeatherA I agree I think my truck and camper set up will work great with a goosebox style pin box, that being said I found out the gen-y is more for full timers that put on some serious miles and that's not me, I may do 1000 miles a year. What are your thoughts for the other options in mount #1116? My unit is 14-16k. Also, do you have info on those boxes for length vs a standard pin box? Thanks.

Heather A.

4/22/2026

@Jim Hi Jim, you’re right to rethink the Gen-Y. I didn't realize your unit was 14-16K so I recommended a pinbox that would be overkill. The better-matched option in the 1116 pattern we have available is the MORryde GooseTech part # MR87MV. This one is rated right in your trailer’s range, so you’re not dealing with an overbuilt system that needs higher pin weight to really activate. Since it uses a rubber shear spring instead of air or a torsion system, it still does a nice job smoothing out chucking and road shock even if your pin weight is on the lighter side, which makes it a really practical fit for someone towing more casually like you described. As far as the “full-timer” comment you heard on the Gen-Y, that’s not so much about miles as it is about how those heavier duty systems are tuned. They tend to perform best when there’s more weight on them, so with a lighter pin weight you don’t always get the full benefit of the shock absorption. That’s where something like the GooseTech makes more sense because it doesn’t rely on that same load range to work effectively, and there’s no air pressure to manage either, so it’s very much a set-it-and-go type setup. On length, the GooseTech is designed to keep a very similar geometry to a standard pin box, so you’re not really gaining or losing meaningful cab clearance compared to what you have now. That means it won’t help you turn any tighter, but it also won’t put you at a disadvantage like some shorter designs can. Since you mentioned you didn’t need a slider before, you’re likely in a good spot, but I still recommend doing that quick measurement from the ball to the cab just to be sure before committing, especially with the new truck. Overall this is a really clean way to simplify your setup, keep your bed open, and still take some of that harshness out of the ride without going overboard. Let me know if you get those measurements!