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Farmall Cub Demonstrator


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#1 DH1 OFFLINE  

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Posted April 04, 2010 - 12:58 PM

This is my friends Farmall, serial # traces it to be a 1950 Demonstrator, the white ones, found that under the red paint is white. I promised him I would try to get it running and painted by mothers day. I have never seen or worked on a Farmall before.
Problems so far.

1- Need carburetor gasket set.
2- Are these 12volt, 6volt, positive ground or negative ground?
3- Engine has no compression, only 1 cylinder has 20lbs. Looking in the spark plug holes I can see the valves, some are stuck open. Need head and manifold gaskets.
4- Rear tires are loaded, rims are rusted and one leaks right at the valve stem. Whats the best way to fix? Not going to be reloading the tires.
Need source of parts and info, any help or advice would be nice.
Not doing a restoration just a fix up and repaint, owner wants it red.

:help::help::help:

I hope you like pictures

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Edited by DH1, April 04, 2010 - 09:09 PM.


#2 NUTNDUN OFFLINE  

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Posted April 04, 2010 - 04:29 PM

I can't tell you about the electrical system, don't know too much about them. I don't think the motor work will be too bad, hopefully get lucky with just cleaning the head, new valve guides and a valve job. Maybe get lucky too with the cylinder walls still being in decent shape, if not maybe be able to get away with just honing them a touch and putting new rings on. I hate to say I think the back rims are shot and might want to start looking for new ones. If they are salvageable they are going to take a lot of work. The rest of the tractor looks like it would clean up pretty easy for repaint.

#3 massey driver OFFLINE  

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Posted April 04, 2010 - 05:39 PM

Don't know where you can source parts.I'll say this much it's going to be a labour of love,I'am sure it'll look good once it's done,can hardly wait to see pictures of it once it's completed.Larry

#4 mjodrey OFFLINE  

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Posted April 04, 2010 - 06:27 PM

I've seen them a lot worse than that brought back from the dead.

#5 tractormike OFFLINE  

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Posted April 04, 2010 - 08:05 PM

The cub should be a 6 volt , positive ground. As to gasket sets you should be able to get them at a larger auto parts place. I have redone a couple of farmall A and B tractors and got felpro gasket sets from the local auto parts place. The cub should have a c60 engine, 60 cubic inches. Check over the rear rims and if they are to far gone to be repaired, replacement rims should be available. I bought 2 rear rims for a Farmall A and they were around 100.00 each. Good luck on your project!
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#6 DH1 OFFLINE  

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Posted April 04, 2010 - 09:15 PM

Being looking on the net and found 2 good sites.

"FarmallCub.com" - lots of info here
"TM Tractor.com" - source for new and used parts

Also found that I have a 1950 made in the first 3 months,painted originally white, (I had thought it was a 1951)

#7 Bolens 1000 OFFLINE  

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Posted April 06, 2010 - 05:22 AM

TM Tractor Parts

Yep, this place is great. I have done business with them before. I bought a carbureator for my grandfather's 1949 Cub.
Good luck with your project

#8 DH1 OFFLINE  

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Posted April 15, 2010 - 08:18 PM

Ordered some parts today from TM Tractor parts
Gaskets, Front tire tubes, Filters, and Decals.

#9 olcowhand OFFLINE  

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Posted April 15, 2010 - 08:53 PM

They make 8 volt batteries & will do much better if you go 8 volt. The generator will charge it fine. Gives much better cranking with 8V battery.

#10 DH1 OFFLINE  

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Posted April 15, 2010 - 09:04 PM

That's a good idea, I never thought of that, if I get this thing running 1/2 decent I'll probably go with 12 volt and alternator. Owner doesn't have the money for a full rebuild so a patch up job it is.

#11 olcowhand OFFLINE  

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Posted April 15, 2010 - 09:09 PM

My 1960 IH T340 dozer is 6V, but I'm running a 12V system on it with original starter. Been this way almost 10 years & the old 6 volt starter is still doing just fine!

#12 DH1 OFFLINE  

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Posted April 15, 2010 - 09:16 PM

My 1960 IH T340 dozer is 6V, but I'm running a 12V system on it with original starter. Been this way almost 10 years & the old 6 volt starter is still doing just fine!


I did the same thing with the 53 Ford Jubilee used the 6 volt starter with 12 volt system, doesn't matter pos. ground or neg. ground starter spins same direction.

#13 olcowhand OFFLINE  

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Posted April 15, 2010 - 09:21 PM

Gotta add about my dozer running 12V now....Forgot ONE thing....man were the headlights bright!.......for about 3 seconds! :bigrofl: Never thought about the bulbs!

#14 tractormike OFFLINE  

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Posted April 15, 2010 - 09:42 PM

I have 3 Farmall tractors, 2 A and a B. Two of the tractors have been converted to 12 volts and use a GM alternator. They have the original 6 volt starter and when you hit the starter you can hardly get your foot off of the starter rod quick enough and they are running. The 1945 A has it's original 6 volt system. It cranks very slowly but the engine is in very good shape and only needs about 2 times past compression and it is running.
If you convert to 12 volts as long as you don't crank steady on the starter for a long time I don't think you will have any problems.

#15 DH1 OFFLINE  

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Posted April 29, 2010 - 06:00 PM

Parts arrived today from "TM Tractor Parts" man those guys don't fool around, got everything I ordered, even a free gas cap straight from International. If the weather is good Sunday I'll see if I can get this thing running.




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