Dee Zee DZ91717P Poly Triangle Trailer Box 36 x 18.75 x 18 inches, 25 lbs

Very nice box. Worked out perfect for the tear drop trailer I am building. Will mount the battery in the box. Lots of room. Well built and a very good price.

I mounted this box in the nose of my 7x16 utility trailer and it fit just fine while allowing room to crank the landing gear and room to swing the lid open.You do need to leave a 1.75" gap between the back/hinge side of the box and the rails on your trailer because as the lid opens the hinge design pivots the lid back.So to reiterate, if you pushed this back against a solid object and went to open the lid, you can not.You may want to do as I did and use square U-bolts from to better attach this. I would neverwish to drilll into my frame and use the DeeZee provided self tapping screws, but you may do that as the instructions show.The box is huge, you can fit much more into the box than the average person would even want to keep stored in a trailer box. I'm telling you, this thing is large!The box is quite strong once installed, I am 185 lbs and can stand on it with no noticable flexing. It's easily able to handle any average built man standing on it occasionally if the need arises.This thing is awesome, go ahead and buy it.

This tongue box seems ideal for our needs. While it doesn’t seem the sturdiest thing in the world . . . so far, even in cold conditions, it’s been holding up. I pre-drilled holes in the frame and unlike other commenters, my bolts didn’t break. I expect they didn’t pre-drill. At any rate, I house my deep-cycle gel-type battery (in a box), my wheel chocks, (4)1 pound propane tanks, My 20 foot 10 gauge extension cord, a jack, and a battery switch, and 50 amp fuse mounted on a wooden panel I installed on the inside back of the box. I’ve also run my battery cables through the back of the box which I goofed up with silicone caulk and those intern go through a gland into my trailer. All in all, I expect I made a pretty good purchase with his tongue box.

I always wonder about the negative reviews, so I'll give an honest review. For my trailer tongue size, this box was perfect in width and length. Yes it is plastic, but will not rust nor dent. The bottom is flimsy, but my trailer has a center brace between a-frame which provides additional support for box. Modifications: I did cut out 1/2 inch plywood to fit the inside diameter of box. It did have to be cut in half as the full piece would not fit as one piece, no biggie. I used some black 3M weather stripping around box lid to help keep moisture out. I used my own bolts and fastening as I am not a big fan of self tapping lags. Latch is riveted to plastic. If it fails, I will modify it then. For the money, its a decent box. With some inexpensive mods, its a great box. Would buy again.

Work great on my car trailer , holds all the rachet straps, binders etc. Lots of room.

For what I wanted it for it was well worth the money. I did my own modifications for mounting it but that's me because I'm picky about how I want my stuff my way but it was easy peasy and holds all I wanted to with room for more at a cheaper or similar price compared to other boxes I had looked at. I'd buy again if I even have a need for another trailer

I added this to the frame on the front of my trailer to act as a catch all for the many different things needed while camping - extension cords, chocks, fire equipment. I had to weld a bracket so it would work for my situation, but if your trailer has appropriate crossmembers, this may not be needed. The box is lightweight, contains screws and washers for mounting and has been watertight for me. I did add plywood to the base of the box for increased durability, but it certainly is not needed. I also added additional hardware to ensure it was perfectly stable on my trailer. It has been fantastic for me. I know some people do say that the locking clasp is cheap due to the fact that it is riveted onto the plastic, however, you could drill out the rivets and install screws/bolts if necessary. My lock will keep honest people out, however, if someone wanted to get into the box, it is still plastic! It does what it's intended to and that is to keep my items clean and dry while camping.

Very nice storage box for my trailer fits perfect and nice mounting system