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acjwb 
Silver Level
Joined: 28 Oct 2009
Location: WV
Points: 304
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 Topic: HD 6
Posted: 02 May 2020 at 9:20pm |
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I am going to look at a HD 6 dozer. The people say that it does not pull on one side. I said the axle was broke but they said it was something else. Could it be the clutch out on that side? How hard is it to fix? Anything else to check? Looks like a nice machine. I will know more when I see it. I have heard that the final drive is week on them. Any info would be helpful.
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HD6GTOM
Orange Level
Joined: 30 Nov 2009
Location: MADISON CO IA
Points: 6627
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Posted: 02 May 2020 at 9:27pm |
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They are a nice small dozer. Could be the steering clutch. They come out thru the top of the clutch housing. You kinda gotta do a little standing on your head to get them out. If the bolts are not rusted up, they are not usually too hard to change. I never had a final drive problem with one. When my back got so bad I could not run them, I traded my last one off and let the service\owners Manuel's go with them. Sorry.
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Ages Cat
Orange Level
Joined: 12 Sep 2009
Location: Hutchinson, MN
Points: 696
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Posted: 03 May 2020 at 9:31am |
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I have some excess manuals, however I would need a serial number to determine if I have the right one. Look on instrument panel or right rear cast housing of the tractor.
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Curt Anderson
HD3, HD5B, HD6AG,HD6B dozer, I-400,615, 616,620,720,ACP25 lift truck, 1956 D Grader, AC 540 loader, AC #84 plow, Simplicity tractors, Agco MT225, Agco 2025,
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Coke-in-MN
Orange Level Access
Joined: 12 Sep 2009
Location: Afton MN
Points: 41871
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Posted: 03 May 2020 at 11:08am |
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The HD5 and HD6 share the same rear casting and same drive gears and other parts including sprockets and track (just more links and rollers depending on modle)
Steering clutch is first idea of why but beyond there it's just a guess. Axles were of a couple different designs with large spline and small spline as also drilled axle for lubrication to outboard Link Belt bearing mounted to truck frame to units where outer bearing is lubed separately .
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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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Ray54
Orange Level Access
Joined: 22 Nov 2009
Location: Paso Robles, Ca
Points: 4685
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Posted: 03 May 2020 at 5:18pm |
HD 5 with loader here,that broke the final drive. A non operator used it to batter a big oak stump. Normal use would ware the steering clutch but abuse can break anything.
So just don't pay much. Parts are where you find them.  I have several old farm HD 5's you could come get parts from,.........................but we are a l..o...n.....g way apart. |
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gemdozer
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Joined: 17 Sep 2009
Points: 1001
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Posted: 04 May 2020 at 4:37am |
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When you check the HD6 check first the undercariage and check the brake pedal and stering cluch lever how far the are
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