Posted 10/31/2021 21:34 (#9298418 - in reply to #9298337) Subject: RE: John Deere 4840
4840 serial number 10250 and above has tapered roller bearing design. 4640 PS serial number 18214 and above same parts. There are 4640 and 4840 tractors that have been modified with a kit that was at one time available. Required machining of the clutch housing.