Brand New (6) Pack of G6 Gator Mulcher Mower Blades… (6) Pack of G6 Gator Mulcher Mower Blades Replaces John Deere Part #’s AM100538, M87622 & M141785 (3) Required for 60″ Cut, 260, 261, 381, 420 & 430 Models Blade Length: 20-1/2″ Center Hole: 7/8″ Width: 3″ Thickness. 250 Oregon Part # 396-734. 6 Pack Oregon 396-734 G6 Gator Blade Fits John Deere AM100538 M87622 M141785. Brand New (6) Pack of G6 Gator Mulcher Mower Blades.. (6) Pack of G6 Gator Mulcher Mower Blades. Replaces John Deere Part #’s AM100538, M87622 & M141785. (3) Required for 60 Cut, 260, 261, 381, 420 & 430 Models. Oregon Part # 396-734. This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.