Trailer Modification Regulation Question

[rreffects]

Hey Guys,

I'm hoping someone here can point me in the right direction. We are modifying a 48' semi-trailer as our mobile shop. We've got the lift gate, and the jockey boxes installed.

I'm now installing a generator in the Jockey boxes. It will be vented, and situated so it can be pulled out when ran etc. The trouble I'm having is I need to install a fuel tank for it.

One of the jockey boxes at the rear of the trailer is perfect for it. It's a shallow box, mainly because it has to avoid the hydraulics for the lift gate, and it's just right for a fuel cell we already own. I'm halfway through the install, and someone comments that he doesn't know if it won't pass inspection with a fuel cell installed behind the rear wheels of the trailer.

I started trying to find out, but haven't been able to find any information on this whatsoever. Does anyone here have any information on the subject or know where I could go to get the information needed?

Thanks,
Ryan

[TheRabbit]

You're going to have to look into the DOT laws of your state.

[zipper06]

Kinda curious how this plays out, obviouly some motorhomes have the tank behind the rear wheels and they are DOT approved.

Zip.

[andamo]

As someone mentioned, it's probably going to have to be checked by the DOT. Not knowing the configuration of what you have, you should consider what might happen if a tire were to shred itself and start hitting the cell. With the metal bands in the tires a spark could easily occur. Also, you should make sure the bottom of the cell, and fuel lines also, are above the scrub line of the chassis.