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A year or so back I repaired a '98 46re 4wd that had lost lube and basically welded the O/D unit solid. Replaced the bad parts (int. shaft incl.) with stuff from a diesel trans, ('97 IIRC, was all I could find used locally). Other than needing a different piston spacer ring, it went together without a hitch.



That is all you would need to do , other than the different clutch count , 47 has more clutches , it'll bolt right on and hold more mower . just make sure you follow the manual on how to check the required spacer needed or you'll smoke the OD clutches