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HD11E Dozer Questions
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bulletpruf View Drop Down
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Joined: 27 Oct 2025
Location: San Antonio, Te
Points: 4 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bulletpruf Quote  Post ReplyReply Direct Link To This Post Topic: HD11E Dozer Questions
    Posted: 27 Oct 2025 at 8:27pm
So, I'm interested in an early 1970's AC HD 11E dozer for use on a ranch.  More than anything else, I'm curious about parts availability. Anyone know if you can still get most parts new for these? Undercarriage and such? It's about the right size for me, but if it's going to be looking for a needle in a haystack every time it needs something I probably need to look elsewhere.

Thanks

Scott
Please check out my YouTube channel at: https://www.youtube.com/@THEBULLETPROOFGARAGE
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Les Kerf View Drop Down
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Joined: 08 May 2020
Location: Idaho
Points: 1376 		Post Options Post Options   Thanks (1) Thanks(1)   Quote Les Kerf Quote  Post ReplyReply Direct Link To This Post Posted: 22 hours 22 minutes ago at 12:11pm
What I know about an HD11 would fit on the head of a pin, but I am getting to be quite familiar with an HD5G, and what I have gleaned from this site is that parts for virtually ALL of the Allis-Chalmers crawlers are scarce and getting even more scarce.

Undercarriage parts are no longer manufactured so the only stuff available is from the used market, and engine parts are reputed to be extremely hard to find.

Best wishes in your endeavors Smile
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bulletpruf View Drop Down
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Joined: 27 Oct 2025
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Points: 4 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bulletpruf Quote  Post ReplyReply Direct Link To This Post Posted: 18 hours 12 minutes ago at 4:21pm
Here are a few pics. 


Here are a few pics.




Edited by bulletpruf - 18 hours 11 minutes ago at 4:22pm
Please check out my YouTube channel at: https://www.youtube.com/@THEBULLETPROOFGARAGE
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Les Kerf View Drop Down
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Joined: 08 May 2020
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Points: 1376 		Post Options Post Options   Thanks (1) Thanks(1)   Quote Les Kerf Quote  Post ReplyReply Direct Link To This Post Posted: 13 hours 56 minutes ago at 8:37pm
I love it!
Better take a real close look at those tracks Ermm The near side is almighty loose Stern Smile
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bulletpruf View Drop Down
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Joined: 27 Oct 2025
Location: San Antonio, Te
Points: 4 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bulletpruf Quote  Post ReplyReply Direct Link To This Post Posted: 13 hours 49 minutes ago at 8:44pm
Originally posted by Les Kerf Les Kerf wrote:

I love it!
Better take a real close look at those tracks Ermm The near side is almighty loose Stern Smile

Yeah, the undercarriage doesn't look great to me, either.  I'll definitely spend some time checking it out when I go see the machine this weekend.

Scott
Please check out my YouTube channel at: https://www.youtube.com/@THEBULLETPROOFGARAGE
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DMiller View Drop Down
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 34325 		Post Options Post Options   Thanks (1) Thanks(1)   Quote DMiller Quote  Post ReplyReply Direct Link To This Post Posted: 9 hours 33 minutes ago at 1:00am
These are dry pin rails, they will wear to a point internally where will snake terribly and roll off readily. Can appear in great shape externally and be junk. 7.0” pitch where no other manufacturer save IHC used. No one stocks parts for these US, getting from overseas is beyond expensive if can even locate there.
These are 40-50 year old machines, in most respects there are no new and dribbling to nothing used parts remaining to keep them viable.
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gemdozer View Drop Down
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Joined: 17 Sep 2009
Points: 1067 		Post Options Post Options   Thanks (0) Thanks(0)   Quote gemdozer Quote  Post ReplyReply Direct Link To This Post Posted: 2 hours 39 minutes ago at 7:54am
I dismantled 2 HD11 E  some time and am still have some used part but no more track
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