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Sam, You had better take another look, something doesn't match. A 9N (or 2N) engine block should have the serial number STAMPED into a flat boss by the head on the left AND the number should start with 9N - for both models. An 8N engine block (except for the first ones in 1947) should have a RAISED CAST 8N at the rear near the starter, like yours. Also in that location is a raised casting date indicating when the block was cast, which you wrote was J 268. With J standing for Oct. and the last digit for the year (8 = 1948) your block was cast on Oct. 26, 1948. The last 2N (9N s#) was made in June 1947, a year earlier. If you missed the first digit (the 8) and thought it was a 9, then the rest of the serial number looks not too far away from the tractor assembly date when the S# was stamped in. I estimate the S# 8N215915 to have been assembled at the end of March or begining of April of 1949. That is not too far away from the cast date of the end of Oct. '48. The block had to be machined before it could be assembled. And if the engine internals were assembled (very likely) before it was brought to the final assembly line, that would take more time. bg has given you the link to a good site to check the identity of the tractor. AND for that matter, the identity of various components as they were changed throught the production run. After 50 years, it is not uncommon to have "mix and match" tractors because of the interchangablity of the various parts over the years. Would like to know what you find out - repost here on the board. Regards,
Larry
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