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Farmall & IHC Tractors Discussion Forum
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Farmall A Help

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1941 farmall a

02-04-2007 21:06:35




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I'm 18 and just bought my first tractor, a 1941 Farmall A. It's been sitting for about 15 years up in the Ozarks in Arkansas and after finally getting it hauled home I'm still trying to soak the Pistons to get them loose. At this time I'm trying a mixture of transmission fluid and diesel fuel. It's trying to come through on the front and rear but those two middle pistons haven't budged yet. They are in the down position. Anyone have a better formula? I paid $200 for the tractor, built barbed wire fence for the money. Need lots of good hints, tips and help to get my "A" running without me having to build fence for money for parts and supplies til I'm 50. Start my first real job in March but need that money to finish restoring my 1971 Ford truck (at least it runs ). Guess I almost have too many projects. Does anyone know of good places in Arkansas to find parts? Appreciate all of your help.

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POPP

02-06-2007 15:07:41




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 Re: Farmall A Help in reply to 1941 farmall a boy, 02-04-2007 21:06:35  
I've got 41 a and had the same problem. what worked for me was heating the piston up with a little rubbing alcohol. after burnnig for about 30 min I used a wood block to drive the piston out.



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El Toro

02-05-2007 15:41:55




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 Re: Farmall A Help in reply to 1941 farmall a boy, 02-04-2007 21:06:35  
third party image

I used a piece of 2X2 oak and a big hammer and drove out the sleeves then used a torch to remove the pistons. I only kept the rods and bought a new sleeve kit. Had the Crankshaft and head redone at our local auto machine shop. Crank only needed polishing and .002" undersize bearings. Hal
PS: Picture of the A finished.

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RP-40-9n

02-05-2007 08:58:47




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 Re: Farmall A Help in reply to 1941 farmall a boy, 02-04-2007 21:06:35  
if the two middle ones are stuck and she set for all those years, those rings are toast. they will never work, they are hardened and brittle. i just went through this on a cub. pull the head and nock the pistons out the top, then you will know what you are dealing with. i cleaned the cylinders and honed them, replaced rings and bearrings and now shes runs great. RP



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HENRY E NC

02-05-2007 05:48:17




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 Re: Farmall A Help in reply to 1941 farmall a boy, 02-04-2007 21:06:35  
I have a 41 A I paid more than that for and have the same problems with stck pistons. Have been soaking them for 5 months now and no luck Many times I have read about starting the fire above the pistons to free them. Also soome times the clutch can be part of the problem Hope you can get it unstuck. You will definitely need new sleeves.



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El Toro

02-05-2007 06:16:23




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 Re: Farmall A Help in reply to HENRY E NC, 02-05-2007 05:48:17  
Read your email. Hal



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gene bender

02-05-2007 05:23:30




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 Re: Farmall A Help in reply to 1941 farmall a boy, 02-04-2007 21:06:35  
Have you removed the sparkplugs and if so how rusty are the walls. If they are awful rusty you are probably wasting your time trying to un stick it. The rust on the cycl walls means it is probably impossible to unstick. Remove the head as there is a problem with it you just havent seen yet. Then you will have a much better chance of seeing the condition of the interior. How much rust on the rocker assy and can you move the valves any?

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Hugh MacKay

02-05-2007 02:26:13




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 Re: Farmall A Help in reply to 1941 farmall a boy, 02-04-2007 21:06:35  
Just follow Jim's advice and above all be patient with stuck pistons. Two months is not an unreasonable time for those solutions to work. Remember that rust and crud it there didn't build up overnight, it will not break down overnight.



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Jim Broughton

02-04-2007 21:41:37




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 Re: Farmall A Help in reply to 1941 farmall a boy, 02-04-2007 21:06:35  
You're doing just fine for now, just don't get impatient. Get yourself some Marvel mystery oil and add it to the tranny fluid mixture and let it "set" for a few days. Take off the bottom cover over the clutch assembly and CAREFULLY try prying the flywheel gear with a large screwdriver or the pointed end of a lugwrench. It may take several days to get it to move, even a little. Once it moves some, then it should shortly move enough to remove the pistons, hone the cylinder walls and get you set up to overhaul your engine, if necessary, and it probably will need an overhaul. Good luck on her, and keep us posted on your progress. (P.S. It took me about a month to get my engine "un-froze"!)

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