Oregon 92-616 G3 Gator Blades for 48 John Deere GX21786, GY20852. Blade Width – 2.50. Blade Thickness – 0.187. Blade Length – 17. Center Hole Size – 7 pt. Air Lift – 3/4. Gator Blade Series – Gator® G3T. Oregon® Gator® G3T 92-616 is your go-to blade in all conditions including wet, dry, and sandy turf. It’s not a replacement blade. It’s an upgrade. High-lift: Aggressive blade angle increases air flow to push debris up and out for superior bagging or side discharge. Cleaner, more efficient cutting performance can reduce bagging needs. Gator® Mulcher feature provides efficiency in normal or abrasive conditions. Major brand replacement: John Deere. AM137757, AM137758, AM141035, AM141036. Fits the Following Models. Replaces the Following Blades. AM137757, AM137758, AM141035, AM141036, GX21784, GX21785, GX21786, GY20852. Listing and template services provided by inkFrog.