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Farmall & IHC Tractors Discussion Forum
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Year of B farmal

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Curt from Minne

06-26-2007 19:51:27




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I have been periodically reading this discussion group for some time. I have two C farmalls and a H. However, I have not contributed to the group. I just bought a B farmall at a local auction and there is no serial number on it. I am familiar with the casting codes on the letter series but all the castings have either a D or a DA on it. It has the small PTO shaft and it appears to have a starter added some what later. Can anyone help me date this thing? The seat is also not the typical rail seat that I have seen on other B farmalls and after inspection it looks like there is no indication of this rail type seat was ever installed instead the seat consists of a box and spring going up to a curved arm that holds the all steel seat. I can send a picture but I don�t have my digital camera now. Were there different factory seats used in the productions of B farmalls? This tractor has had the engine overhauled and a new radiator but when I changed the rear end oil a ball bearing fell out. I suspected that it may have had this problem when I hauled it home. When I looked at the transmission all the gears and pinion look good so it looks like I have a winter project. A lot of work but I had the same problem with one of my C�s. I paid 750 for it so I don�t know if I got a good deal or not. Thanks for the help.

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Andy Motteberg

06-27-2007 13:11:40




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 Re: Year of B farmal in reply to Curt from Minnesota, 06-26-2007 19:51:27  
If it has the engine from when it was new, the serial number should be stamped on the side of the engine block by the distributor/mag (which ever ignition yours has), but if that tractor has had a different engine put in it, it would not be the correct serial number for the tractor, like my 1943 Farmall H has the tag number 133801 which makes it a 1943, but the number on the engine is 88099 which makes the engine a 1940 I think. If you can find casting codes, check and see if most of them match with the engine casting code, if they do, there is a good chance that that is the engine that was in that tractor when it was new.

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Hugh MacKay

06-27-2007 03:21:53




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 Re: Year of B farmal in reply to Curt from Minnesota, 06-26-2007 19:51:27  
Curt: I've read this thread to date, not sure you are reading the correct numbers and letters for casting codes, but rather other letters and numbers, and a lot of folks confuse these. The final drives, front bolster, pto, etc. may not have a code. The ones to look for are transmission, torque tube and engine block. The codes are day and month by number and year by letter, about 3/8" high digets and what looks like a round head, blade type screw cast between each of day, month and year. George has already given you the correct letters for each year.

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georgeky

06-27-2007 07:43:22




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 Re: Year of B farmal in reply to Hugh MacKay, 06-27-2007 03:21:53  
Hugh, do you have a picture of a one point fast hitch planter and plow. I have a 250 planter that I am going to covert to FH if I had some dimensions and or pics to pattern the hitch from. Also want to do the same to a 209A plow. If so and can send them to me shoot me an email and I will email back so you can send them. Thanks



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georgeky

06-27-2007 07:37:06




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 Re: Year of B farmal in reply to Hugh MacKay, 06-27-2007 03:21:53  
Hugh, how was the water of the North Atlantic? I bet you had the shorts out.



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Hugh MacKay

06-27-2007 14:55:47




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 Re: Year of B farmal in reply to georgeky, 06-27-2007 07:37:06  
George: Taking a dip in the North Atlantic in June is for macho young men wanting to impress young ladies. The rest of us just appreciate the cooling effect it has on the Atlantic air. Hanging in the very pleasant 70F down there all week. Last night at 6pm it was 98F here at my place in SW ontario.

Now, that North Atlantic will warm up and by Aug-Sept, will be a decent dip for folks our age. Takes all summer to warm it up and all winter to cool it back down again. Those same macho young folks, go for what they call a polar bear swim on New Years Day. At Black Rock Beach just outside Halifax, hundreds show up in swim suits even in minus F weather. They take a dip in the ocean, some will actually stay in the water for some time. National TV will cover this event, however what they fail to tell us, the water is still above 50F. Most of those folks don't experience much discomfort until they come out of the water into the frigid air. With that they rush them all to warmed up vehicles.

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georgeky

06-26-2007 20:24:47




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 Re: Year of B farmal in reply to Curt from Minnesota, 06-26-2007 19:51:27  
Curt, I am not sure, but by it having the small PTO shaft, I would guess it is a 39 or 40. There was no D casting code that I know of. 39 is I and 40 is J and so on until 47 and 47 is on those. The block on mine does have a DA on it, but that is part of the casting number not the date code. Look on the flat machined surface under the number one plug. The serial number will be there assuming it is the original engine this will be your serial number. The casting codes will be on a tag and look like this 06*21*J

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gene bender

06-26-2007 20:21:21




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 Re: Year of B farmal in reply to Curt from Minnesota, 06-26-2007 19:51:27  
your seat is probably an aftermarket model made for an A or B. The letters you posted are pre-fixes or part of a part number. What do you mean a starter was added. look for FAB then numbers under #1 spark plug behind the throttle rod. small pto usually means early like 40 or so year built. you need to read the cast codes that will tell more closely when it was built.



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Curt from Minnesota

06-26-2007 20:58:34




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 Re: Year of B farmal in reply to gene bender, 06-26-2007 20:21:21  
Several reasons, In the tool box there was a plate that covered the starter opening. The tractor was painted 15 years ago or so and the plate looks like it was painted then and then it weathered for some time before removal. The starter was not painted also. There is a 12 v alternator with a homemade mounting bracket (somewhat week evidence). No starter rod hardware or choke hardware. No lights and it has a magneto. I just looked behind the oil filter and there is some numbers followed by OD and underneath (2") that it looks like a 2. I have not removed the oil filter yet but maybe it will be easier to read then. Thanks for the help.

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georgeky

06-26-2007 21:23:00




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 Re: Year of B farmal in reply to Curt from Minnesota, 06-26-2007 20:58:34  
Curt, the serial number is directly under the number one plug. You may have to scrape off a little paint to see it. Toward the front corner of the block.



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Curt from Minnesota

06-27-2007 20:28:48




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 Re: Year of B farmal in reply to georgeky, 06-26-2007 21:23:00  
I found an I so that makes it a 39. Thank you all for the help. Now to start fixing it up.



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georgeky

06-27-2007 21:59:54




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 Re: Year of B farmal in reply to Curt from Minnesota, 06-27-2007 20:28:48  
Curt, good luck with it. I would suspect it to be worth a little more than the run of the mill B, since it is a 39. That was the first year of production.



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Curt from Minnesota

06-26-2007 21:56:03




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 Re: Year of B farmal in reply to georgeky, 06-26-2007 21:23:00  
Thanks for the help. Maybe I am seeing a I as a 1, I will look at it tomorrow night. There does not seem to be any date stamp on the axle casting or other major castings on this tractor that I can easily see. The date stamp on my H an C are easy to see. It appears that they did not make many B farmalls in 39 or 40. There seems to be less of these tractors around western MN compared to the number of C H and M. Thanks for the help again

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