Towing Issues: towing/hauling, cement mixer, tandem axle

Question
I have a 12' tandem axle enclosed trailer that I pull using an F350.  Can I legally attach a small cement mixer to the back of that trailer, pulling two at the same time?

thanks

Answer
well that answer depends on several factors, and the biggest one is "what state is this happening in"

check out the link below and look at what is the answers in the section triple towing.. That should help

http://www.towingworld.com/articles/TowingLaws.htm