new cm truck beds model al sk 84" / 84'' / 40" / 42" alsk aluminum truck bed 84" long x 84" wide x 40" cab to axle x 42" rails fits short wheel base single wheel that had a 6' bed all steel frame construction 4" steel channel frame rails 3'' aluminum crossmembers aluminum extruded floor integrated aluminum headache rack aluminum rub rail w/ stake pockets angled aluminum fuel fill full width smooth aluminum rear skirt tapered rear corners for maximized turning radius 4 lockable flush mounted tool boxes w/ t-handle compression latches premium powder coated steel chassis dot required led marker lighting 7 way round & 5 way flat electrical plug on rear tailboard 30 000# rated b&w gooseneck hitch w/7 way electrical plug 18 500# b & w rated rear hitch 585# shipping weight. sn mv00334728
