I provided to him the year that Green Magazine research would give for his tractor, but it got me to thinking about the number of different lists out there and how they compared.On the chart that accompanies this article, you will find the Green Magazine list, a list from a 1950 Deere and Company service bulletin and a list from the book, John Deere Tractors 1918-1994, which was published by Deere.
As you can see, about the only thing they all agree on is that A tractors began at 410000. For many years, Deere and Company factories observed an annual vacationinventorychangeover period in the summer or early fall. Rather than have early 1938 tractors be unstyled and late 1938s be styled, the beginning of the new production year was moved up to July. Deere didnt always change model years when a significant change was made, though. It has long been assumed that 1946 models were long hoods with cast frames and 1947s had the pressed steel frame and battery box seat. This change was actually made in the JanuaryFebruary of 1947 time frame. I cant begin to guess how they came up with this list, other than with a great deal of concern that each model year begins with a number that is a multiple of 20,000. Most of these tractors arent even the first or last tractor built in a given day, let alone month or year. For some reason, they skip 1939, the first year of styled A production. If that werent enough, on the list for B tractors, they list number 60,000 (the first styled) as being the beginning of 1938, even though it was built in June of that year. If you look at other models, though, you will find quite a few differences. For the first B of the 1938 model year, the Deere book lists tractor number 46175. That tractor was built on Oct. That could make some sense, however; out of about 40 model B tractors built that day, ole 46175 was the one with the highest serial number. Wouldnt the one with the lowest number make more sense as the first of the year Green Magazine publications list tractor number 49302 built on Nov. Why Because the serial number register has it noted as being beginning of production while the tractor just before it, 49301, has the notation end of production. I havent been able to make any sense of catalog list number 1, though it seems to sometimes use model year and other times perhaps calendar year. Terramite T5C S Serial Numbers Most ImportantIf Deere and Company wanted to declare in one of its service bulletins that something was so, who was going to argue Back then, a serial numbers most important function was to make sure you were ordering the correct parts. Its first edition was written in 1976, and before the hobby boomed, making more accurate information necessaryit was the by far the best list available.
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