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retired operator 
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Joined: 18 Apr 2026
Location: Colorado
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 Topic: HD6 final drive bearings
Posted: 18 Apr 2026 at 9:51am |
Good morning all new to the forum and have a question I have a HD6 that I need final drive bearings for. I have the parts book and am working to match modern bearing to the machine' Question is this. Any one cross referenced bearings from the book to modern bearings? Sorry if this has be addressed before I havent taken the time to go through all of the posts. The machine runs strong just needs new bearings and seals on the out board side I don't want to tear it down until i see if I can get parts Thanks in advance JIm
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gemdozer
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Joined: 17 Sep 2009
Points: 1131
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Posted: 18 Apr 2026 at 11:31am |
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I have for the outbore bearing the boot seal with spring assambly and 2 ring seal and gone check for the outside bearing 080101.
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retired operator
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Joined: 18 Apr 2026
Location: Colorado
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Posted: 18 Apr 2026 at 3:34pm |
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fantisic let new know
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Les Kerf
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Joined: 08 May 2020
Location: Idaho
Points: 1891
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Posted: 18 Apr 2026 at 9:46pm |
Here are a couple of threads that may help you on your journey.
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CAL(KS)
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Joined: 18 Sep 2009
Location: Chapman, KS
Points: 3812
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Posted: 21 Apr 2026 at 9:23am |
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you would be able to cross bearings when torn apart, nothing special. i have a 6 parts machine with complete finals in KS if you might need something.
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Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20
Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15
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Les Kerf
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Joined: 08 May 2020
Location: Idaho
Points: 1891
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Posted: 21 Apr 2026 at 1:46pm |
That outboard bearing is no longer available unless you can find a NOS or used. Here is another thread with excellent information.
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CAL(KS)
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Joined: 18 Sep 2009
Location: Chapman, KS
Points: 3812
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Posted: 21 Apr 2026 at 3:15pm |
we found those big double sphericals from a large bearing warehouse for our series B 11. had genuine and off brand available. not the same bearing obvously, but there is a chance finding something.
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Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20
Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15
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retired operator
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Location: Colorado
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Posted: 22 Apr 2026 at 10:49pm |
Question is the transmisson complete? Might be easier to just swap them out
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gemdozer
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Posted: 23 Apr 2026 at 5:37am |
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If you have to removed your transmission you better repair and swap for a other one maybe yours is better ?
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retired operator
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Posted: 23 Apr 2026 at 7:35pm |
Cal(KS) could you pm me? Thanks Jim
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retired operator
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Location: Colorado
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Posted: 26 Apr 2026 at 9:44pm |
I finally dropped the cover on the inside of the sproket and found everything intact. however the shaft spins freely which leads me to believe the shaft is broken or the splines are shot. from what i see the shaft will be the fun part to find. Also may need a sproket as it looks like the splines on the sprocket are worn out I ll see what i come up with.
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Les Kerf
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Joined: 08 May 2020
Location: Idaho
Points: 1891
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Posted: 27 Apr 2026 at 10:55am |
Yikes! 
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Ray54
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Joined: 22 Nov 2009
Location: Paso Robles, Ca
Points: 5009
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Posted: 27 Apr 2026 at 12:47pm |
I have a used final that has all the parts inside. I guy just took the shaft out of the other side. Splines where all good. The sprocket was not bad for as bad as the tracks are.His shaft was broken.
But I am to crippled up with arthritis to take it off for you. The track had been removed from the other side by others. This side still has the track. So a all day job I would guess. In the Land of Fruits and Nuts (Calif).
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Coke-in-MN
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Joined: 12 Sep 2009
Location: Afton MN
Points: 42470
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Posted: 14 May 2026 at 5:13pm |
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HD5 and HD6 use same rear castings and parts , 2 link longer track on 6
Outboard Link Belt bearing is the tough one as all other bearings in trans and finals are stock parts easy to obtain at bearing house
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Life lesson: If you’re being chased by a lion, you’re on a horse, to the left of you is a giraffe and on the right is a unicorn, what do you do? You stop drinking and get off the carousel.
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