Originally Posted By: KenK
Some years back I bought my wife one of these folding aluminum carts for the barn:

http://www.tipkemfg.com/



The Foldit marine grade aluminum cart is the best I've seen so far. 33Lbs. with carry capacity of 330lbs. is pretty impressive, plus it folds up pretty tight and has an optional bike/tractor hitch. Unfortunately 250 bucks is way more than I could ever spend on a utility cart. Great design though.