One New Aftermarket Replacement Fits John Deere Shift Collar Fits Tractor models:

2510, 2520, 3010, 3020, 4000, 4010, 4020, 4030 S/N <-015963, 4230 S/N <-037595 -- ALL SYNCRO RANGE

Fits Skidder models: 340D, 440, 440A, 440B, 440D, 448D — ALL SYNCRO RANGE

Replaces Part Numbers: R33383, R26074