A-AH89918-AI Bracket Assy, Straw Chopper, W/Knife SectionsOne New Aftermarket Replacement Straw Chopper Bracket Assembly with Knife Sections Fits John Deere Combines This aftermarket replacement straw chopper double blade bracket assembly (with knife sections) fits the residue management system on Fits John Deere (Fits JD) combines. The bracket holds the stationary knife sections in place within the straw chopper, allowing the rotating blades to chop and distribute crop residue evenly across the field during