Brand New (6) Pack of G6 Gator Mulcher Mower Blades… (6) Pack of Oregon G6 Gator Mulcher Mower Blades Replaces John Deere Part # M136195 & M135334 (3) Required for 54″ Cut Z Trak Blade Length: 19″ Center Hole: 7/8″ Width: 3″ Thickness. 250″Lift: 1-1/4″ Oregon Part # 396-769 Heavy-duty blades designed for commercial applications and to withstand punishing conditions, while offering the full-range of features that make Gator® series blades unique. 6 Pack Oregon 396-769 G6 Gator Blade Fits John Deere M136195 M144652 M164016 54. Brand New (6) Pack of G6 Gator Mulcher Mower Blades.. (6) Pack of Oregon G6 Gator Mulcher Mower Blades. Replaces John Deere Part # M136195 & M135334. (3) Required for 54 Cut Z Trak. Oregon Part # 396-769. Heavy-duty blades designed for commercial applications and to withstand punishing conditions, while offering the full-range of features that make Gator. This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.