Products › Conventional Concave - John Deere 6600, 6601, 6602, 6620, 6621, 6622, Titans Conventional Concave - John Deere 6600, 6601, 6602, 6620, 6621, 6622, Titans $1,550.00 Part #CO2040Conventional ConcaveCompatible with: John Deere 6600, 6601, 6602, 6620, 6621, 6622, Titans Add To Cart Added! Part #CO2040Conventional ConcaveCompatible with: John Deere 6600, 6601, 6602, 6620, 6621, 6622, Titans You Might Also Like Hanger Bracket $252.75 Blade Kit - 24 blade Gleaner S & R Series - Serrated $2,100.00 Auger Flighting 12" - Left Hand $147.00 Feeder Chain 3/4" - Gleaner R40, R42 S/N -45000, R50, R52 S/N -55000 Lower $1,397.00 New Holland Feeder Slat SL1442R $50.00