D1761R Rivet 36 Pack Fits John Deere Tractor 9940 9950 444C 444CH 500 A BOne New Aftermarket Replacement Pack of 36 Rivets Fits John Deere Cotton Picker models: 9940, 9950 Also Fits John Deere Industrial Construction Models: 444C, 444CH, 500, 500A, 500B, 500C, 510, 540A, 544, 544A, 544C, 570, 570A, 570B, 600, 640, 643, 644A, 644B, 644C, 646, 646B, 646C, 700, 740, 740A, 743, 743A, 760, 760A, 762, 762A, 770, 770A, 772A, 860, 860A Also Fits John Deere Skidder Models: 340D, 440, 440A, 440B, 440C, 440D, 448D, 540, 540B Also