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44 B Radiator

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Steve

10-12-2001 20:11:17




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The radiator for my 44 B has a rusted out core. I've been told by some salty old JD mechanics that replacing a radiator core is a major pain in the you-know-what because all those small bolts holding it together are always frozen and break off. They say most radiator shops won't even touch them and it's much easier to just buy a good used replacement radiator.
What's your thoughts on this? Is there anyone out there that specializes in good used radiators for old two cylinders? Forget Dennis Polk - I'm not rich enough for his stuff. I have another good radiator for a 45 B and wanted to use it on the 44 B - couldn't do it. You learn something new everyday on these old tractors. The 44 has a 12" inside diameter frame and the 45 has a 13 1/2" ID frame. What's with that? The 44 is hand start and the 45 is electric. Thanks for your input.

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this is probably old news but

10-16-2001 12:48:27




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 Re: 44 B Radiator in reply to Steve, 10-12-2001 20:11:17  
A very good source for new radiator cores for these tractors is Taylor Equipment of Sears, Mich.
They advertise in the TWO-Cylinder Club magazine.
Best price I'm aware of.



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Mark J

10-14-2001 18:21:02




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 Re: 44 B Radiator in reply to Steve, 10-12-2001 20:11:17  
I have found that if you take a good sharp cold chisel, and position it (45 degree or so) at the point where the head of the bolt meets the radiator tank,and give it a good solid rap with a heavy hammer in one direction, then strike it a second time at 90 degree from the first, you will free bolts than would have been twisted of had you not tried this.

It works very well. Last time I replaced a core, this method freed bolts that the heads were so badly erroded that a wrench had difficulty grasping.

good luck

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Steve

10-15-2001 16:31:17




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 Re: Re: 44 B Radiator in reply to Mark J, 10-14-2001 18:21:02  
Thanks for the tip. I'll print this out and give it a try when I'm ready.



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dan madore

10-14-2001 07:12:58




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 Re: 44 B Radiator in reply to Steve, 10-12-2001 20:11:17  
I just went through the same thing with a 43 B I just bought.(first one). The radiator it had in it was missing the the part the radiator cap screws onto.I was given a replacement radiator and after painting it all up found that the bottom tank was different due to the cast frame. While looking to see if there is a way to press a new part onto the old radiator I kept spraying the nuts and bolts on both with BP. To my surprise every one came off with no problem at all. Made gaskets, used shellac and all is well.After reading the other posts I guess I was just lucky. Dan.

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Steve

10-13-2001 08:28:11




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 Re: 44 B Radiator in reply to Steve, 10-12-2001 20:11:17  
Thanks for the good advice guys. I think I'll give it a go on replacing the core myself. One more question for you:
Since this radiator has an original steel core and fits the 12" frame, am I going to have a hard time finding a correct size replacement core and can I get a copper one instead of a steel one? You're right Will, the 44 radiator is pressurized and the 45 is thermosiphon.



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Will P

10-13-2001 22:31:46




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 Re: Re: 44 B Radiator in reply to Steve, 10-13-2001 08:28:11  
I took mine to a radiator shop and at first they got the wrong core, but the second time they got it right. Mine is a 43 B that is war too.

Will P



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Will P

10-12-2001 20:35:11




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 Re: 44 B Radiator in reply to Steve, 10-12-2001 20:11:17  
The 44 is wider because of the war, the core is steel and not copper. So the core is bigger to cool better because steel dousn't cool as well as copper. The 45 is copper. Your 44 should be a presurized system too. The 45 should be thermosyphen. Your 44 should have a cast iron frame too. It was a war feature. Hope this helps more to understand why.

Will P.



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Will P

10-12-2001 20:44:06




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 Re: Re: 44 B Radiator in reply to Will P, 10-12-2001 20:35:11  
OPPs, got it backwards. But the radiator is different because of the war.

Will P



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Clooney

10-12-2001 20:24:53




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 Re: 44 B Radiator in reply to Steve, 10-12-2001 20:11:17  
Steve, my thought on a used radiator is you probably won't get one that is much better than yours & if you find one it will cost plenty. I have removed quite a few of those tanks & you were told right you probably will break many of those bolts off. I have tried different approaches including heat & have found the easiest thing to do is just remove the ones that will come out & break the rest then drill them out & re-tap the holes. It takes some time but the radiator will be good to go for many years, if you go with a used one you will probably just have to go through it again in a short time.

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Russ

10-13-2001 05:58:20




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 Re: Re: 44 B Radiator in reply to Clooney, 10-12-2001 20:24:53  
Just went thru this on a 41A. Broke 5 bolts, and it was in terrible shape. Get the cast iron surfaces as smooth as possible before re-assemble.
I used a self stick tape used for Cat radiators. If you have deep pits in the cast iron, better fill them with j-b weld. The core will run about 200.00. Good Luck Russ



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