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Farmall B & BN Tractors, 1939-1947

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Casting Numbers Farmall B

Mon Jul 16, 2012 6:35 am

Hi Folks
I have poked around some with no success. Can anyone point me to a guide for casting numbers. I bought a supposedly 1939 Farmall B this weekend with a Super A tag on the seat support. I need to ID this baby. Thanks in advance.

Re: Casting Numbers Farmall B

Mon Jul 16, 2012 7:34 am

http://www.tmtractor.com/id/id_004.htm

This helps some. For years prior to '47 just keep going backwards down the alphabet. '39 would be I, '40 J, etc.

Al

Re: Casting Numbers Farmall B

Mon Jul 16, 2012 8:03 am

Thanks Al I appreciate the help.

Re: Casting Numbers Farmall B

Mon Jul 16, 2012 8:43 am

The chart goes back to a 47 as Q in the last digit. Going backwards to the letter O that I have in the third spot looks like I have a Dec 45 motor. Would that be a 46 Tractor ?


Thanks Again.

Re: Casting Numbers Farmall B

Fri Aug 10, 2012 12:15 pm

Most likely. Especially if it was late Dec.

Re: Casting Numbers Farmall B

Fri Aug 10, 2012 12:17 pm

Thanks Bigdog
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