Rear PTO seal kit includes aftermarket replacements for the John Deere part numbers R33340 seal, R33337 gasket and F1870R o-ring all of which are usually required to replace the rear PTO seal on the following John Deere tractors with 540/1000 PTO.

Early style 3020 (up to serial number 122,999)

Early style 4020 (up to serial number 200,999)

These tractors can also be identified as having the remote hydraulic levers on the dash next to the steering wheel as opposed to the late style in which they where located on a separate console next to the seat.