Bent coupler pin
I have a travel trailer that weighs over 9000 lbs being towed by a 2500 hd Silverado. I noticed that the pin in the hitch coupler on the trailer is getting bent. It's a Master Lock locking pin. How an...
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Sounds like you didn't have the coupler down on the ball properly, and the only thing that kept you from losing the trailer was the WD system holding it in place. Just a guess but there is no force on the pin when properly coupled.
