Re: 4020 production number

Posted by j cook (iowa) on October 14, 2005 at 13:44:58 from (12.207.139.154):

In Reply to: 4020 production number posted by Josh Boyce on October 14, 2005 at 08:00:47:

I do not think that the records kept by Deere and Co, for the 4020 series are of the sort that is amendable to modern methods of computer usage. My thought is that they were probably recorded on IBM computer punch cards, and that they were stored electroniclly on magnetic tape. Both of these methods are long obsolete and are no longer in useage.

This is the sort of computer data records that Deere at least used in the 1960's when my father, an industrial engineer at the John Deere Ottumwa Works was using what I recall as being an IBM 360 which used those methods.

The punch cards may still exist, but they would have to be gone over MANUALLY, a task requiring 2-3 man-months of labor. The price for that information would be very high and Deere and Co. is totally unlikely to spring for the cost of doing it, nor are they likely to allow volunteers the chance to come in and do it either.

Sorry.

There are educated guesses for many of the more scarce varieties however, if that is any consolation.

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