Box. I can't really store anything where I live so it works for me. Weather and equiptment protection are a few reasons I like the box trailer. Plus, since my business is small, I can store just about all of my equiptment and not take up space in my garage.
I like an open trailer. I like to be able to reach everything easily. I like not having a huge rig to manuver around. I don't carry everything wiht me all the time so I have to have a place to stor the other stuf anyway. I just back my small open trailer into a storage unit and close the door at night.
I knoe I am in the minority in prefering open trailers, but that's all I'l probably have as long as I am solo.
Box trailers are awesome, but like open trailers for their versatility. I just upgraded to a 6 1/2' X 16 1/2' open trailer and am so glad I did. Today I had a huge clean-up and ended up with my trailer stacked completely full with branches. By the time it was loaded up and tied down it was over 7' high. Can't do that with a box trailer. On the other hand, one of my friends has a box and what a set-up. He's built racks for all his tools and a work-bench. Perfect since he doesn't have a garage. Now he's talking about putting a portable generator in it and running the exhaust out through a tail pipe assembly. Just something to think about.
BOX BOX BOX
I guess you can tell I like the box trailer. Just purchased it and I love it. Main reason was it rained so much this spring and all my $$$$$$ equipment was soaked!! It took hrs. for the belts on the mowers to dry out. The weed weekers and blowers were hard starting. You spend all this hard earned $$$ to have everthing sit out in the rain. Plus after it gets lettered it's a rolling billboard. I'm having shelves installed then I'll be able to fill them with all the little things you cant put on a open trailer. Like oil, extra chains for saw, hand tools. If you set it up right you should be able to carry more items in a box trailer rather than a open trailer.
I just started in the industry and bought a 6'10" X 16' open trailer. I already wish i had bought an enclosed unit. shelter from the elements, security, more usable space, signage space, and imho just looks more professional.
We use open, A friend just bought a box. His main gripe is filling the mowers. He either has to fill cans and take them in or unload the trailer at the station. I'd rather use an open. It's nothin to put sides on and use it for cleanups.