Trailer Chucking when Using a Factory Installed Reese Elite Series 5th Wheel Hitch

Question:

I just bought a 2012 F-450 with the Reese 25K fifth wheel hitch installed by the factory. During my first tow of my 2007 Weekend Warrior CL4005, the pin and/or hitch seemed to clunk during acceleration and breaking, as though the pin was too small for the hitch and therefore clunking around. Are there different pin and/or hitch sizes? I used to tow the trailer with a Husky 24K and there was no such clunking. Please give me your advice.

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Expert Reply:

King pins used in recreational towing are a standard size. The part that fits in between the jaws should have a diameter of 2 inches. If it is smaller than this you will need to have the king pin replaced.

The single wrap around jaw on the Reese Elite Series 26.5k, # RP30871, is one of the most secure connections and chucking with it should be minimal. It sounds like you might be high-hitched. This is when the king pin is not properly in the jaws. Take a look at the instructions I have linked. This will show you what to avoid when hitching up so you do not high-hitch. Basically there should be no space between the hitch skid plate and the pin box skid plate on the trailer.

Once connected, make sure the jaw is wrapped all the way around the king pin and locked. If the jaw is not wrapping all the way around then you may need to lubricate the hitch according to the instructions.

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Michael H

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