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Welding trailer a frame coupler

9.4K views 14 replies 10 participants last post by  SuperArc  
#1 ·
I have a 5000 pound rated open car trailer. The coupler no longer closes and need to replace the a frame. Does anyone have experience with this?

I am going to cut old one off with angle grinder then grind smooth. I have a miller 140. Do u think this is strong enough to weld this on? I have no checked the thickness yet of the a frame. If not I'm going to put a few good tacks with the 140 just to trailer it to friends shop down the block with no weight on it to weld it up with the big welder.

Thanks