Deck Over the Wheels Equipment Trailers Side Extensions, Deck over, Tilting Deck Over, Dual Tandem Deck Over. next gallery Spec Sheets Deck Over the Wheels:  Models 5HD818DO  6HD818DO  7HD818DO Deck Over the Wheel - Dual Tandem:  Models 10HD825DO   12HD825DO  20HD825DO Tilting Deck Over The Wheels Trailers:  Models  5HD820DOT  6HD820DOT 7HD820DOT  Side Extension Trailers:  Models 5HD817SE  6HD817SE