Re: Help with 671 model year in reply to Archerdan, 07-12-2020 07:48:14
It couldn't be a 1958 since the S-O-S wasn't introduced until 1959. That is a 1960 serial number as Ultradog said.
As for the Select-O-Speed "issues", there were somethings fixed in the first 1 to 2 years, but all of the issues weren't worked out totally until the 4 cylinder 2000/4000 series ag chassis tractors came out in late 1962 for the 1963 model year with the Direct Drive Clutch version of the S-O-S, but many '01 series S-O-S transmissions have been retrofitted with the improved DDC transmission from the thousand series. If yours was retrofitted by a dealer then it would have been stamped with the original serial number of the tractor.
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