Oregon Gator Mulcher 3-N-1 Blade For 54-Inch John Deere Lawn Mowers 96-706 Replaces OEM No. M76467, M113518, and M115496 Listing is for a single mulcher blade. Order 3 for a 54-Inch Cut. Blade Length (Measured Diagonally): 18-21/32in. Center Hole Diameter: 51/64in. Width: 2.50in. And Thickness: .250in.