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Farmall & IHC Tractors Discussion Forum
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A or Super A

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J Smith

03-04-2005 11:59:58




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A or Super A - I am rebuilding an old model A
that I bought from a neighbor,but I'm not sure
if it's an A or Super A....The engine has the
removable cover for the Hyd Pump and the number
354898R1 behind the oil filter,Thers is not any
nuber on the engine at cy-1--Just a smooth plate.
There is a casting number on the trans. 6 6 P.
The torque tube is flat for about 6 inches across
the top and has unused bolt holes..Can anyone help?

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NDS

03-04-2005 16:57:40




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 Re: A or Super A in reply to J Smith, 03-04-2005 11:59:58  
It would not be at all unusual to have 1947 tractor with June 1946 castings IMHO. Believe that model year changed in October or November. Just my opinion.



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Hugh MacKay

03-05-2005 14:24:40




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 Re: A or Super A in reply to NDS, 03-04-2005 16:57:40  
NDS: The casting code P he has given is on the transmission. I asked for codes from the other castings, and we have heard nothing since. I do know the engine block part number, he has supplied, 354898 R1 was not used until serial number 310000 sometime in 1951. That engine block part number was used from 310000 until the end of Super A production at serial 357958, in 1954.

Until Mr. Smith comes back with casting codes for engine and torque tube, I don't think anyone can say for sure what he has. He's gotten what he needed from us.

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J Smith

03-05-2005 15:53:40




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 Re: A or Super A in reply to Hugh MacKay, 03-05-2005 14:24:40  
Hugh MacKay,thanks for all the help..There is not any casting code on the torque tube..I have gone over it with a light and magnifier...The only
number on the tube is 8638DE and that is not raised like the casting codes.It is about 1.5
inches high.There is an M that looks like the McDonnalds emblem..So for, I have replaced the
starter,ring gear,pilot bushing,clutch,release bearing and sleeve,two gears and three seals.
Still needs a carb,seat,two front tires and rims
and steering wheel,But I bought her for 500.00..

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Hugh MacKay

03-05-2005 16:34:09




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 Re: A or Super A in reply to J Smith, 03-05-2005 15:53:40  
J Smith: The flat area you mentioned on top of torque tube, runs from battery to almost bell housing, with 4 threaded holes for 1/2 bolts about 6 to 8 inches apart both ways, right or wrong? If that be the case those threaded hole are used to bolt the touch control down. If you have a block with holes for mounting pump, no reason you cant put factory hydraulics on. I gather from this discussion you don't currently have hydraulics.

If you wish I can check my tractor in morning to see exactly where those casting codes are. I know the one on engine is very close to part number you supplied, maybe a bit closer to distributor. I know one of my tractors have code on torque tube, almost behind clutch pedal when depressed. Not sure IH always used the same spot, just never kept close notice of that.

Sounds as though you found yourself a decent buy. I always say if a A or SA has good castings and sheet metal, there is good chance it was quite well cared for. Of course when you start restoring it all costs money, and I haven't done any recently, so maybe a bit out of touch on prices. To me it just never seemed like one was getting good value for money when he started buying castings or sheet metal.

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Jim Becker

03-05-2005 20:31:57




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 Re: A or Super A in reply to Hugh MacKay, 03-05-2005 16:34:09  
Don't really need the bell housing date code at this point. 8638DE is the part number for an A bell housing, not Super A. Put the '46 date code on the transmission with that and it looks fairly clear to me this tractor is an A with a later Super A block.



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Hugh MacKay

03-05-2005 21:32:28




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 Re: A or Super A in reply to Jim Becker, 03-05-2005 20:31:57  
Jim: Thanks for that info.



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Hugh MacKay

03-04-2005 14:33:07




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 Re: A or Super A in reply to J Smith, 03-04-2005 11:59:58  
J Smith: Your post does create a bit of confusion, First as Peabody said P does stand for 1946 if that indeed is the casting code. Casting codes are the series of numbers and letter with what looks like a round head blade type screw cast between the digits. The day and month are by number year is by letter.

The reason I question his statment is, you have hole in block for hydraulic pump shaft. The torque tube has about 6" wide flat surface from battery to bell housing. The number behind the oil filter 354898 R1 is the casting part number used only on Super A's from serial number 310000 to serial 357958. I have a Super A in this group. Am I correct in assuming all these items.

Another factor casting codes are in numerals and letter about 3/8" high. This letter P you speak of I'm guessing is about 3/4" high letter, right or wrong? I think we can get to the bottom of this, confirm or deny what I'm saying.

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J Smith

03-04-2005 15:49:06




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 Re: A or Super A in reply to Hugh MacKay, 03-04-2005 14:33:07  
The casting numbers and P are the same size.About 3/4 inch...With what looks
like a round screw head between the two 6's and Letter P.
It is on the right side of the transmission.
I suppose the engine has been changed. There is a 6 inch flat surface on top of the tube as I said.



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Hugh MacKay

03-04-2005 15:59:58




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 Re: A or Super A in reply to J Smith, 03-04-2005 15:49:06  
J Smith: Each separate casting will have it's own casting date code; steering box, engine block, torque tube, transmission and each final drive will have a separate code.



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Red Dave

03-04-2005 16:10:36




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 Re: A or Super A in reply to Hugh MacKay, 03-04-2005 15:59:58  
Hugh, it sounds to me like his tractor might have a replacement block. I've seen A's that had blocks replaced in the '50's that the hydraulic pump mounting hole had a plate on it.



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Hugh MacKay

03-04-2005 17:04:42




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 Re: A or Super A in reply to Red Dave, 03-04-2005 16:10:36  
Dave: One other matter flat top on torque tube, mounting spot for touch control. Then the P code on transmission case, looks like a rebuild from two tractors. Be interesting to see what he finds for codes on other castings. Not that that will take away from value of his tractor. If I were him, I be looking for touch control system, and decidng on SA.



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Peabody

03-04-2005 12:37:26




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 Re: A or Super A in reply to J Smith, 03-04-2005 11:59:58  
The letter "P" in the casting code indicates it"s a 1946 model, in which case it would be an A. Manufacturing of Super A"s began in 1947.



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