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Farmall & IHC Tractors Discussion Forum
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Farmall A Water Pump

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Brent H

04-20-2007 20:19:50




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I have an early A (39 model). Will a water pump fit on it from a late model. I use it with a 60" belly mower and I am doing some engine work to it and figured I would see if I can get a water pump on it to help with cooling

Thanks




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Harold Hubbard

04-24-2007 04:48:35




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 Re: Farmall A Water Pump in reply to Brent H, 04-20-2007 20:19:50  
Back in the early 70's my dad got a kit from IH to put a water pump on our C. It included a new fan assembly, and a different head gasket. As I recall the coolant passages in the gasket were smaller than the ones in the old gasket we took out. The fan blades were narrower than the original to clear the end of the pump shaft, and I think the pulley was smaller. The kit may also have had a new thermostat. I know that the price was some over a hundred dollars, and it made Dad wince a little when he saw it. However, we used to do a valve job on that tractor every two or three years, after it got the water pump it was more like every ten years, and the valves were in much better shape when it was disassembled. At that time the C was used for all the mowing and most of the raking on sixty acres of hay, plus another fifty acres of pasture mowing, thirty miles of town roadsides, and a whole bunch of snowplowing in the winter. Now it is taking it easy, with a little trimming of hayfields, some raking and about a hundred acres of rough mowing. The snow plow and chains haven't even been put on in the last five years. It just sits all winter.

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Brent H

04-21-2007 15:08:03




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 Re: Farmall A Water Pump in reply to Brent H, 04-20-2007 20:19:50  
Thanks. I will start looking for one.



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georgeky

04-21-2007 07:33:06




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 Re: Farmall A Water Pump in reply to Brent H, 04-20-2007 20:19:50  
IH even recommended adding a water pump to all those engines that had over bore sleeves and pistons put in them. It isn't really necessary the original system works very well. I have over bore pistons in my 49 C and it has never had a water pump on it. I have ran it fairly hard since 1975. Sometimes on a hot day I will have to add some water as it tends to boil it away.



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gene bender

04-21-2007 02:58:16




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 Re: Farmall A Water Pump in reply to Brent H, 04-20-2007 20:19:50  
Yes go ahead with the water pump just be sure it comes with a pulley as not all of them will have a pulley. You dont need to worry about a different radiator or thermostat as it will work just fine with the original radiator. I grind the extra length of the shaft on the pumps down to the hub and you will probably have to do a slight bend on the fan blades to clear the hub of the pump just bend a little where the blades hit the hub.

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Jim J

04-20-2007 21:55:47




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 Re: Farmall A Water Pump in reply to Brent H, 04-20-2007 20:19:50  
It will fit. All you will need a pump and a longer belt.



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A. Bohemian

04-20-2007 20:37:16




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 Maybe...kind of. in reply to Brent H, 04-20-2007 20:19:50  
There may be some kind of aftermarket conversion available. But if I am inferring properly from the IT manual, there never was a Farmall A with a water pump, not even Super A. They were all cooled by thermosyphon effect.

So no, you can't take one off a later model and stick it on; there were none!

This can be done with some early production Cs, apparently because Farmall had already decided to put a water pump on the Model C when it was introduced, but didn't get things ironed out in time for the beginning of the production run. So, Farmall made available a "Water Pump Attachment," and many of these tractors were retrofitted for water pumps, especially in the South and Southwest.

Some late-model Super As had a pressure-type radiator, which is a must with a water pump, and many of these radiators found their way onto earlier production As as replacements. Look for a vent pipe under the radiator cap lip.

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Steven@AZ

04-21-2007 05:43:58




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 Re: Maybe...kind of. in reply to A. Bohemian, 04-20-2007 20:37:16  
My early '42 model H has a water pump and does not have the pressure-style radiator. Never had a problem with it, even running under full load in 100 degree weather it barely gets to the middle of "run" on the gauge...

Also, I have made do with some leaky radiators by simply not tightening the cap so they don't become pressurized - never had a problem with that, either. A person may run into trouble with that trick on these newer vehicles (especially the diesels) because they run such high temperatures for emissions and economy purposes...

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gene bender

04-21-2007 03:02:56




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 Re: Maybe...kind of. in reply to A. Bohemian, 04-20-2007 20:37:16  
In your experience what is your reason to think that a pressure radiator is a must. I have put several pumps on the 113 engine with no problems for large mowing units and was just wondering why there has been no problems with the stock radiator.



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Red Dave

04-21-2007 10:26:03




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 Re: Maybe...kind of. in reply to gene bender, 04-21-2007 03:02:56  
I"ve done it too. No problems with the stock radiator here either. I guess I should have asked permission on here first.



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A. Bohemian

04-21-2007 05:49:41




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 Well, Then, I Was Wrong! in reply to gene bender, 04-21-2007 03:02:56  
I thought that you had to have a full pressure relief setup to protect the seal on the water pump. I must have been misinformed.

Apparently, aftermarket conversions HAVE been done, so go to it.



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