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Crack in rear end housing on M Farmall

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Rod

08-17-2003 19:24:41




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Hi. Just recently bought a 52 M Farmall. I didn't notice until I power washed the tractor and got all the old crud off of it that the housing for the rear end had a crack in it and was leaking fluid. A mechanic told me that at some time a breaing must of dropped down and got picked up by the gears and this caused the crack. If so does anyone know of a good way to fix this crack?? It's in the front about two inches in from the side below the fluid level.
Thank's in advance for anyones help.

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Michael Soldan

08-19-2003 18:48:34




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 Re: Crack in rear end housing on M Farmall in reply to Rod, 08-17-2003 19:24:41  
Rod, I discovered an H that I bought had the same break. I took it to a local welding shop where we drained the rear end and then he welded it up and ground it off smooth. It is a perfect fix, does not seep and is not noticeable. This chap is an expert welder , there are places I would not take a job like that. The rods are very expensive but in the end it was worth every cent...Mike in Exeter Ontario

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Jim in michigan

08-18-2003 20:30:53




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 Re: Crack in rear end housing on M Farmall in reply to Rod, 08-17-2003 19:24:41  
I have a M with a good rearend for parts,,where are you located? email me if interested...Jim



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JB

08-18-2003 20:09:39




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 Re: Crack in rear end housing on M Farmall in reply to Rod, 08-17-2003 19:24:41  
When mowing hay many years ago my Dad cracked the engine block on our SC when the NFend fell into a ground hog hole. It snapped NFend off above the front axles and cracked the engine block by the timing gears on the left front. We replaced the remains of the NFend with our WFend in the field. Started the SC long enough to lift the mower, hooked are JD 420U to it a towed it to our local welding shop. He wire brushed and scraped all the paint away (no power grinders in those days) and welded a piece of iron over the crack. We kept that SC for another 2 years and it never cracked or leaked a drop.

So have it welded by someone that knows how to weld cast iron.

JB

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andy

08-18-2003 15:31:52




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 Re: Crack in rear end housing on M Farmall in reply to Rod, 08-17-2003 19:24:41  
We had a Farmall 450 that ran a bearing under bull gears. This was done sometime before we bought it. I believe there was a patch on the underside. But to keep the lubricants from seeping there was a yellow "plastic" like substance applied to the inside of the transmission case. Never leaked! I am sure the cast had been cleaned well and the "sealant" applied. Maybe just a sealant would be enough to correct the situation. If the point of injury is buldged out some maybe hammer it back. Nickel rods do work well on this type of material. So, hammer it back, weld it up, grind it off, and seal it up in the inside and maybe put multiple coats of primer on the outside. This may not really be a "structural" problem ... more so a "leak".

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Charlie

08-18-2003 15:15:55




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 Re: Crack in rear end housing on M Farmall in reply to Rod, 08-17-2003 19:24:41  
I had the housing on my H crack from water freezing in it - found a good welder and it has never leaked since. Key phrase here is "good welder"



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Rod

08-18-2003 06:32:07




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 Re: Crack in rear end housing on M Farmall in reply to Rod, 08-17-2003 19:24:41  
Thanks for all the replies. Looks like I'm stuck with a leak. Or as some say charactor! I thought about having it brazed, but a guy told me that you couldn't heat that much casting hot enough to braze it.
What do most of you run for lube 80/90????? ?



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wh

08-18-2003 06:06:40




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 Re: Crack in rear end housing on M Farmall in reply to Rod, 08-17-2003 19:24:41  
have a 39 h in same shape. except it is in the bottom. who ever fixed it shaped a piece of 3/16" sheeet metal and drilled/tapped 3/8" studs all the way around it (patch is about 3 X 10) every 1" or so. seeps a little but so what, it is 64 years old. if you can not get it welded, there are other ways to fix it. a little seepage won't hurt nothing. gives them CHARACTER!!!!wade



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rustyfarmall

08-18-2003 10:06:20




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 Re: Re: Crack in rear end housing on M Farmall in reply to wh, 08-18-2003 06:06:40  
I have a 1940 M with a similar patch, doesn't leak a drop.



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C Kulig

08-18-2003 12:35:13




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 Re: Re: Re: Crack in rear end housing on M Farmall in reply to rustyfarmall, 08-18-2003 10:06:20  
Thats almost creepy, I have a 1940 M fixed the same way also! No leaks either.



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rustyfarmall

08-18-2003 14:29:07




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 Re: Re: Re: Re: Crack in rear end housing on M Far in reply to C Kulig, 08-18-2003 12:35:13  
Where do you live? I have been told that a certain mechanic who worked at the local IH dealer many years ago was responsible for inventing that type of repair. Is it possible the two tractors came from the same area? or is this repair something that came from corporate?
I live in southwest Iowa.



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Nebraska Cowman

08-18-2003 03:13:38




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 Re: Crack in rear end housing on M Farmall in reply to Rod, 08-17-2003 19:24:41  
i'd jb weld and resell it



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Are you for real?

08-18-2003 08:22:41




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 Re: Re: Crack in rear end housing on M Farmall in reply to Nebraska Cowman, 08-18-2003 03:13:38  
That doesnt sound very much like good business, remind me never to buy a tractor from you



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Nebraska Cowman

08-18-2003 18:03:32




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 Re: Re: Re: Crack in rear end housing on M Farmall in reply to Are you for real?, 08-18-2003 08:22:41  
i didn't mean to sound dishonest. it's just that I like my "keeper" tractors to be free from cracks and welds.



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I Understand U Now

08-18-2003 18:22:39




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 Re: Re: Re: Re: Crack in rear end housing on M Far in reply to Nebraska Cowman, 08-18-2003 18:03:32  
Got it, I agree



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Farmer Bob

08-17-2003 23:27:13




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 Re: Crack in rear end housing on M Farmall in reply to Rod, 08-17-2003 19:24:41  
I've seen them welded, stitched, puttied, JB welded, Bondoed, and leaking still. Where you describe the break is normal for the bullgear shoving a bearing or other sprapnel through the case. One thing to remember, a professional welder using the proper cast welding techniques can most likely get it repaired but it will not be inexpensive! Nickle Rod is quite expensive. You may be able to find another rearend housing that is not damaged at a cheaper price but a lot of labor is involved swapping everything around.

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Dick Davis

08-18-2003 04:34:40




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 Re: Re: Crack in rear end housing on M Farmall in reply to Farmer Bob, 08-17-2003 23:27:13  
Farmer Bob is right on as to cause and best fix. I will add to his list of repairs seen. On an M I saw a "patch" of 1/4 inch metal about 4"x6" that was "rivited" in place, fairly well done and yes it was weeping transmission grease. My nickel.



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