A rack assembly to be selectively coupled to a riding lawn mower, the rack assembly including a rack configured to have a forward and a rearward edge, one or more support members configured to extend forward from the rack proximate the forward edge and to be at least partially received in a riding lawn mower frame, a stability support configured to extend downward and forward from the rack proximate the rearward edge and to rest upon a trailer hitch mechanism of the riding lawn mower frame.