AR98850 New O-Ring Kit Fits John Deere Tractor 7700 900 9600 9960 9965 740E +One New Aftermarket Replacement O Ring Kit that Fits John Deere Combine Models: 7700, 9500, 9600, 6602, 6620, 6622, 7720, 8820 Also Fits John Deere Cotton Picker Models: 9960, 9965, 9940, 9950 Also Fits John Deere Industrial Construction Models: 644E, 644ER, 740G, 770B, 770BH, 772B, 772BH, 792D, 792LC, 850C, 892E, 892LC, 644C, 690C, 762A, 762B, 770A, 790D, 850B, 892D, 644D, 646A, 740A, 762A Also Fits John Deere Skidder Models: 740E, 748E, 748G Also