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Farmall & IHC Tractors Discussion Forum
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F12 transmission codes

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Chuck

02-14-2004 12:04:14




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I was told that there are five or so different codes for different gear ratios in transmission. F-standard gears, K, X, L, M. L&M are the high speed ratios. Is there any validitity to this?. The letter is stamped on the flat boss which mounts the PTO cover,as you view the tractor from the rear, it is in between the edge of the flat and the left bolt hole. I have 1 trans with an "F", and 1 trans with an "M"-Thanks for any insight-Chuck-

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Nebraska Cowman

02-14-2004 17:30:19




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 Re: F12 transmission codes in reply to Chuck, 02-14-2004 12:04:14  
F - 1st 2.27, 2nd 2.98, 3rd 3.84, R 2.28
M - 1st 2.27, 2nd 2.98, 3rd 6.30, R 2.28
These number are from a chart for the F14 but I'm guessing that the F12 is the same.



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Chuck

02-15-2004 07:26:56




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 Re: Re: F12 transmission codes in reply to Nebraska Cowman, 02-14-2004 17:30:19  
So the "M" has a fast 3rd gear, could you post the ratios for the "K", "X", and "L" marked transmissions for reference. I've searched the archives on this subject and found nothing posted.Many thanks for your efforts-Chuck-



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