Thread: Pin Boxes
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Old 01-23-2018, 11:03 AM   #47
jlb27537
Montana Master
 
Join Date: Jan 2013
Location: Depends on temps
Posts: 1,648
M.O.C. #13157
My last 2 trailers have had Morryde pins. That said, both pin assys were rated @19,000lbs. My trailer has a gvwr of 14,900lbs. I removed the rubber block which had a #5 molded in the side and replaced it with a #4 block. The higher the number the stiffer the rubber block.

So for a lighter trailer, you need a softer block for the trailer to work against. The rubber block is the one in the pin assy. Worked for me.
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