Quote:
Originally Posted by tech740
I have read those, a couple times actually, the parts that get me is a full trailer requires chains. A full trailer is a gravity box trailer for a lack of better references. It supports all its weight. It also says that any trailer that has tongue weight, defined as semi trailer does not require chains. I have always been told that if it connects with a pin like a standard fifth wheel hitch no chains. If it is on a ball then it requires chains. I just cannot find any supporting documentation.
Not meant as an argument just wish I could find something that agrees one way or the other. The federal https://www.ecfr.gov/cgi-bin/retriev...se49.5.393_170
if you scroll down a bit it shows pics that incorporate all the definitions. It shows a travel trailer as a semi trailer because it applies weight to the tow vehicle.
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I don't have an answer that I'd call "definitive or expert". Possibly you could contact the Michigan State Police "contact us" using their email web form and get the "MSP official answer"....
https://www.michigan.gov/msp/0,4643,...8075--,00.html
ADDED: I've always understood the same as you: If it has a ball and a "pawl that locks under the ball" then it requires safety chains, without regard to whether the ball is in the bed, on the rear bumper or on a bar inserted into a receiver. So, IMHO (for what that's worth) if it's being towed with a gooseneck hitch or a fifth wheel hitch that connects to a gooseneck ball, then safety chains are required...
But, who am I except a casual observer... I definitely don't consider myself an expert in towing laws !!!!!