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426 brgs

Printed From: Unofficial Allis
Category: Other Topics
Forum Name: Pulling Forum
Forum Description: Forum dedicated to Tractor and Garden Pulling
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=195439
Printed Date: 27 Apr 2024 at 10:40am
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Topic: 426 brgs
Posted By: SteveM C/IL
Subject: 426 brgs
Date Posted: 29 May 2023 at 11:40pm
Are the days of good old tri metal brgs long gone? Preference is 112 series Clevite. Guy at regrind shop says last pricing he has for them were in 2005. Sounds like NLA! He said things were moving to the "A" series brgs. Aluminum brgs don't handle FM very well and I do my best for cleanliness but..... what's the scoop? 
Just  a daily driver farm tractor I bought recently with 4700 hrs and fresh M100. It's got Clevite 112's in it so someone changed them. Dated 96(rods) and 97(mains). Little copper showing in #5 main cap. Pulled #5 rod cap checking size but didn't push rod up and check upper shell yet. Cap shows wear mark but no copper there(of course).



Replies:
Posted By: DrAllis
Date Posted: 30 May 2023 at 9:14am
On the net I find "Legendary" Mahle Clevite Tri-metal CL-112 heavy duty engine bearings.  Clevite Tri-Metal bearings are rated at 12,000 psi, the highest in the industry. They are more resistant to corrosion and outperform traditional bearings by 20% or more. That makes Clevite bearings the best in the industry today. *** Maybe I need to see if they still offer them for A-C engines, specifically the 2000/649 and 3000670 series.


Posted By: SteveM C/IL
Date Posted: 30 May 2023 at 9:05pm
They are listed at different sites but all indicate last of June delivery. The ship hasn't left yet....


Posted By: cms
Date Posted: 01 Jun 2023 at 5:52pm
I believe I have some 426 mains that are 112 series in Clevite and Standard size


Posted By: DrAllis
Date Posted: 01 Jun 2023 at 6:03pm
But which 426 bearings// to a D21/210/220 or 7000 series with piston cooling?? or 8000 series with connecting rod piston cooling ??


Posted By: cms
Date Posted: 01 Jun 2023 at 6:07pm
I believe they have the oil passage.


Posted By: cms
Date Posted: 01 Jun 2023 at 6:56pm
I have pictures can’t get to load.


Posted By: cms
Date Posted: 01 Jun 2023 at 6:58pm


Posted By: cms
Date Posted: 01 Jun 2023 at 7:00pm



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