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Farmall & IHC Tractors Discussion Forum
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farmall H (12 volt)

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J Flock

09-03-2005 03:07:42




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what 12 volt altnater will fit under the hood of older farmall H 1940-1950s.
I am thinking of a single pole altnater but have yet to find one that will fit under the hood.




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little john

09-03-2005 12:50:25




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 Re: farmall H (12 volt) in reply to J Flock, 09-03-2005 03:07:42  
I have a Japanese alternator still in the NAPA box if you decide to go that route. The Delco will squeeze under there, too. I have one on an "H".



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old

09-03-2005 08:33:23




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 Re: farmall H (12 volt) in reply to J Flock, 09-03-2005 03:07:42  
The last one we did we used one form a toyota pickup truck. Late 80s, nice and small and worked well. Did that on both a cub and a 450.



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farmallhal

09-03-2005 06:44:23




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 Re: farmall H (12 volt) in reply to J Flock, 09-03-2005 03:07:42  
The alternator to use is the Hitachi model #14231. It is about an inch smaller in diameter then the Delco 10-SI. You are going to need every bit of space you can save as it will be a tight fit but I don't touch on anything. This Hitachi is not a one wire alternator but is very simple to wire in and charges at a low idle speed as well. It was used on 1978-1980 Nissan model 620 and 720 pickup trucks with a 2 liter engine. It is very reasonable in price at about $50.00 plus a core.
I used this alternator for my H 12 volt conversion and by turning the existing generator belt upside down could use the existing generator drive belt. By turning the bracket upside down you also move the alternator up a good inch or more where you have lots of room to work with. You will just find it tight between the hood and valve cover. Saved all of the time and effort with dealing with split pulleys and such to exchange belts. I have several conversion "learnings" from my conversion I would be willing to share if desired. My emial is open if you want more information. Hope this helps with your conversion. Hal

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El Toro

09-03-2005 11:05:42




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 Re: farmall H (12 volt) in reply to farmallhal, 09-03-2005 06:44:23  
The last time I checked the prices at NAPA for one of those alternator's it's still $49.95. Hal



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wh

09-03-2005 05:20:58




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 pictures of conversion - - - in reply to J Flock, 09-03-2005 03:07:42  
link shows how i did it. has allways worked great. i used a lawnmower idler pulley for the idler under the alt. allows me to use a longer belt and to keep it tight. search archives for bobm"s wiring diagram.



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Dave in CT

09-03-2005 03:12:57




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 Re: farmall H (12 volt) in reply to J Flock, 09-03-2005 03:07:42  
Search the archives. There have been posts that name the make, model and method of successful 12V Alt. installations under the hood.



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