Nut backed off ball caused accident
I was heading up to santa cruz ca. in my 40' american eagle I had my motorcycle in tow on a utility trailer. Before I left I had tighten the nut on the ball with an air impact driver the kind that you...
Forum Discussion
Surprised all of these balls don't come with a castle nut and a cotter pin set up like on a wheel bearing. Instead of using a cotter as last resort down at the end of the threads, use a castle nut and drill the hole for the cotter up by the nut. You wouldn't need to tighten the bejesus out of them at 400+ ft/lbs if the nut was captive and couldn't back off like it is on a wheel bearing.
