Page 31 of 33 - Enclosed Trailer Setups - posted in Trucks, Trailers, RVs & Toy Haulers: If you want a VERY secure, very strong ( weight capacity) and inexpensive trailer; try building out a horse trailer (a stock trailer is the stripped down version). Most cargo trailers use a very thin skin (A friend had his bike and tools stolen and they only used a box cutter). Horse trailers come in 8 to >+30 lengths and several widths, mine is 7x14 foot with a separate front tack room (heav...