How to Adjust the Height of a 5th Wheel Trailer Pin Box
Question:
How do I safely adjust the pin height?
asked by: Curt
Expert Reply:
When adjusting the height of a pin box such as # LC1191191 it is important to support the pin box when removing the bolts. I recommend 2 or 3 buddies to give you a hand and make sure no one is beneath the pin box while raising or lowering it.
With the pin box supported unbolt it, raise or lower it as needed, and then put the bolts back in and tighten them down. According to Lippert use the following torque specs:
Torque 1/2” bolts a minimum of 110 ft-lb.
Torque 5/8” bolts a minimum of 160 ft-lb.
Torque 3/4” bolts a minimum of 210 ft-lb.


Gary P.
6/6/2020
I'm trading in my 01Chevy, for a new pickup 19 Ram. I have a reese 16k hitch. And a reese revolution 10k pin box. The ram is a 4x4 so I am assuming the bed will be higher than my Chevy 4x2. The reese hitch has height adjustments. Can I just adjust the hitch and leave the pin box as is? Thanks for any help.






Dale
9/17/2024
Hi, I was doing a search and came across this. I hope you don't mind me asking this question. I have a 2014 Columbus 5th wheel that I pull with a 2019 Ram 2500. When I purchased the camper I had a 2011 Ram 2500. The camper was purchased and setup by a dealership in my area. I have been towing this trailer for 2 1/2 years with this truck. I believe the old truck had 18" tires, the 2019 has 20". I haven't had any issues but the last time out I took a picture of my rig and thought it looked high in the front (camper). I took a measurement and I have 9 1/2" between the bottom of the overhang and the top of the bedrails. I think I can raise the pin box up a set of holes and get it closer to 7 or 7 1/2". Is there anything to be gained by making this adjustment or is there a possibility of running into another issue? I was thinking about hooking up and pulling it out into a flat surface in my driveway chalk in the trailer and putting the landing gear down until there was a slight gap between the lube plate and the hitch plate, loosening the bolts in the pin box, removing the front bolts and two of the bolts in the rear and seeing if I can lower the trailer to push the pin up in the front. When I stand to one side and look at the side of the pin box it appears to be angled downward toward the pin. It's not level but that is the way it was set up by the dealership. Is it possible to just raise the front of the pin box and not the rear using the two rear bolts as a pivot point? I have read and seen videos online where guys use their tailgate and a jack, but I don't see why I couldn't use my hitch and the landing gear on the trailer to safely make these adjustments. I think I could get a better idea of how I was set for distance. Of course I would check it to make sure that I had good clearance at the tailgate but I have a lot of clearance so I really doubt that raising the pin box up one set of holes is going to cause any issues. I know that it's probably a pretty heavy hunk of steel as mine has the trail air with the airbag and the shock on it. But I don't intend to manhandle this thing if I can help it. The videos I watched showed a guy swapping out a standard pin box for one of the ones that I have or very similar and he used a floor jack and a board. I was considering using my motorcycle jack which is rated for 1,500 lb. But then I got to thinking It may be a lot easier to do it right from the hitch, using the bolts to pivot the pin box into position. Could I get your opinion on this matter? Thank you Dale
Product Page this Question was Asked From
Lippert 1621 5th Wheel Pin Box - 15,500 lbs
- 5th Wheel Pin Box
- Standard Replacement
- 15500 lbs GTW
- Fixed Turret
- Lippert 1621
- Lippert
more information >
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Scott B.
5/1/2020
I have a Moryde pin box and receiver on my F350 and the pin box is pitched nose high when I attach the trailer to the truck. Should I level the pin box level to the truck bed and ground so it tows better? It looks pretty simple to do if so.