This 42" Cutting Deck is for use with the Exmark Navigator mower. The deck allows for dedicated bagging with patented fill reduction baffles and a heavy duty gear driven spindle assembly. It has 7-gauge sides joined by a continuous bead weld to a 10-gauge top. A 3/16" wear guard is welded to the entire base of the deck with 7-gauge deck spindle supports and 1/4"-thick strap steel deck supports.