Products › AGCO 300500800 20ft Replacement Knife 78" Thread No Knifehead AGCO 300500800 20ft Replacement Knife 78" Thread No Knifehead $650.75 Part #AGCO3029RKAgco 300/500/800 - 20ft Replacement Knife without Knifehead - 7/8" thread Add To Cart Added! Part #AGCO3029RKAgco 300/500/800 - 20ft Replacement Knife without Knifehead - 7/8" thread You Might Also Like AGCO Gleaner Poly Finger Single MW82620 $25.25 AGCO Massey Ferguson Single Finger Kit MW83439 $25.25 Case IH Skid Shoe Set MacDon 974 (2006 & Newer) 30' 36' White $718.00 New Holland 740 30ft Kit with Rollers Single Drive $4,357.00 New Holland 97097297374C 25ft Kit with Rollers $3,596.00