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Fordson Tractors Discussion Board

Re: Main Bearing Size ????


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Posted by Robert Major on September 09, 2010 at 18:59:38 from (216.55.222.83):

In Reply to: Re: Main Bearing Size ???? posted by Earl -IL on September 09, 2010 at 15:45:50:

Hi Earl
I get what you are saying about the oil and stuff. I am a full trained Agricultural engineer on farm tractors and equipment. I have been re building motors since I was 12(24 yrs)I pulled the pan and caps off this 6d as she had low oil pressure the shells are un marked and measure pretty good compared to some new ones i have on the shelf. The problem is she is so soft that there are ridges worn in where the oil groove is on the mains. I guess apart from the crank being oval 40 shells would go straight on. I know the guy that did the original rebuild and he would of done everything by the book.Lube and cleaning would of been spot on. I asked my crank guy and he said those ford motors like mine are not too good past 20 -30 thou. he had problems with the 4cyl majors in the 60s when he started out and they needed the first rebuild.
Like you say there are loads of things to take into account but hardness sounds like a fordson problem from what ive heard from a relible source.
Regards Robert


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