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Some of the shackles suggested have load limits <7,000 pounds. Assume we are towing 10,000 pounds. Since one chain will be shorter than the other there will be 10,000 pounds on one shackle rated for 7,000 pounds.
Is there something I don't get?
2x7,000 is 14,000 pounds. Two chains the weight is distributed between the two
The reason I stick with the hsackle is you can ALWAYS use a shackle when you're not towing to perhaps pull sommeone out with a tow rope or chain. It's a great place to store two shackels when you need the - big hook or small hooks I'm always using shackles.
I use 3/4" rated at 8-3/4 tons EACH. I'm covered for 16,000 pounds.
Will be keeping my eye out for some with higher rating but for what I'm normally towing, it shouldn't be a big deal. Only towing the travel trailer occasionally. I just wish the hitch was designed differently and this wouldn't be an issue. On the other hand, the shackles look kind of cool.
That isn't how I view it. If one chain is somewhat shorter than the other chain then all the weight is on the shorter chain.
If the trailer become detached from the hitch then the chains will equalize automatically. The entire trailer will swing towards the shorter chain at that angle at that point both chains will pull equally albeit at an angle that will cause more problems than the strenglth of the shackle. IF the trailers come ungooked and the trailer equalizes to that seere angle the trailer might flip, but you will still be attached by two 7,000 pound shackles. My advcie, don't have a shorter chain but DO HAVE shackes that can accomodate for the sheer force of the weight of the trailer. https://en.wikipedia.org/wiki/Shear_force
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