What year/model do I really have

After reading John Smith's ID page concerning the NAA serial number location and looking at the changes in the model tractors and years. The serial number of mine is 40933, which would make it a 1940. On the intake engine side it has the 45 manifold and generator. Also the radius rods are 45 tube style, not the I style. The radiator has no shroud. What year is it really, or is it a combination of different tractors. Thanks for your help, Richard

Follow Ups:

• Re: What year/model do I really have - John (TR) 07:47:01 04/15/08 (1)
  • Re: What year/model do I really have - RichardNY9N 22:01:01 04/15/08 (0)
• Re: What year/model do I really have - Paladin (Bob In PA) 12:13:09 04/14/08 (2)
  • Re: What year/model do I really have - RichardNY9N 17:36:16 04/14/08 (1)
    • Re: What year/model do I really have - Paladin (Bob In PA) 21:00:23 04/14/08 (0)
• Re: What year/model do I really have - Jim.UT 21:54:55 04/12/08 (1)
  • Re: What year/model do I really have - RichardNY9N 11:28:02 04/13/08 (0)

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