Allis Chalmers Model D grader brake drum
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Construction and other equipment
Forum Description: everything else with orange (or yellow) paint
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=115625
Printed Date: 19 Jul 2025 at 6:28pm
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Topic: Allis Chalmers Model D grader brake drum
Posted By: Ages Cat
Subject: Allis Chalmers Model D grader brake drum
Date Posted: 03 Dec 2015 at 12:17pm
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In need of a drum for the transmission brake/parking brake on a model D. Part number is 70059949. Thanks.
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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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Replies:
Posted By: DonBC
Date Posted: 04 Dec 2015 at 12:52pm
No responses? Many components like brakes are not necessarily made by Allis but are adapted from some other use. I would not be surprised if the brake drum was originally made as an emergency brake drum for a truck of that vintage. The challenge will be to find what it was adopted from and then finding a source for parts. The transaxle was made by Clark.
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Jack of all trades, master of none
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Posted By: Ian Beale
Date Posted: 04 Dec 2015 at 2:21pm
Don BC
Most likely. There is a strong suspicion around here that the brake assemblies on an AC 45 are the same as on an early Cat 12. Maybe different shoe widths but we haven't researched further as yet.
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Posted By: Ages Cat
Date Posted: 04 Dec 2015 at 2:34pm
I have a CAT 212 as well, but have not compared the two. I know the Galion 503 is the same drum. A DODGE Powewagon has the same setup as well, however the drum diameter is 8.5 versus 10.5 inches.
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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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Posted By: DonBC
Date Posted: 05 Dec 2015 at 3:31pm
Yeah, the Galion and the D grader used the same Clark transaxle.
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Jack of all trades, master of none
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