You could always call Jamco and ask them.   They are great trailers.  We had one that was totaled in an accident and would have bought another in a flash if we could have afforded it.  The integrity of the trailer held up even though it was a write-off!  They were great people to deal with.

Toll Free: 866-575-2626.  If the toll free won't work from the US try 519-233-7489