4 Pack Oregon 91-604 Mower Blade Gator G3 Fits John Deere M139975 by Oregon $101.24 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Blade PRODUCT DESCRIPTION Brand New (4) Pack of Oregon Mower Blades... Fits John Deere Part #'s M139975 Gator G3 Length: 21-7/16" Center Hole: 13/16" Width: 2.50 Thickness: .203 Lift: 3/4" Offset:13/16" Oregon Part # 91-604