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wcc5595@gmai.com 
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Joined: 05 Jul 2021
Location: ANDERSON, CA
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 Topic: 1936 ac wm crawler
Posted: 07 Jul 2021 at 6:59pm |
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Im trying to get a ac m crawler to run and need parts can someone help me
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Jim.ME
Orange Level
Joined: 19 Nov 2016
Location: Maine
Points: 952
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Posted: 08 Jul 2021 at 5:43am |
Welcome to the site
It will help greatly if you can describe what you have done to it to date and what parts you need.
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wcc5595@gmai.com
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Location: ANDERSON, CA
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Posted: 08 Jul 2021 at 5:45pm |
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I bought this beautiful old allis Chalmers crawler. The radiator and head were off with most of the parts accounted for. The front piston was froze and in time I was able to remove it. The piston was tore up in the process. The sleeve is pitted and rough and comes out tomorrow, I hope. I sent the head in for a valve job. I should have it back tomorrow. The zenith carb is being rebuilt by a local shop in Cottonwood ca. I think I should have the magneto checked as well? The crawler is in good shape but for the engine. I can’t tell what I have until I get it running. For now I have the manuals and a list of parts as follows, one piston and rings and sleeve, all the gaskets I can get my hands on and a place to send my mag to. I have other part need but that would get it running and then list will probably expand. The frame # WM 3796 and motor #UMA 3917G
Thanks for the concern. Im not familiar with this or any Form so please be patient with me. Any help would be appropriated
Sincerely,
Bill Culmer
On Jul 8, 2021, at 3:53 AM, Unofficial Allis <noreply@allischalmers.com> wrote:
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wcc5595@gmai.com
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Posted: 01 Aug 2021 at 8:46pm |
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wcc5595@gmai.com
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Posted: 01 Aug 2021 at 9:00pm |
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the number on this ac crawler engine is UMA9317G but Im unable to reference is number to any active parts list. Im lost with my rebuild and could use help. I can answer questions and send pictures. thank you
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Ray54
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Joined: 22 Nov 2009
Location: Paso Robles, Ca
Points: 4552
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Posted: 01 Aug 2021 at 9:09pm |
Many know more than I about old engines, but think that engine was used in a wheeled tractor of the same time. Maybe a model U , hopefully somebody will know. Because that could open up the parts search a lot.
If you get real desperate just learned of a place making one off pistons in LA Calif, and another was also mentioned. Olson gaskets in Washington state can make head gaskets.
Not to insult you but without a teacher you never learn as fast and easy. Do you know about making paper gaskets with a ball peen hammer. If not look for you tubes explaining the process.
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Ray54
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Joined: 22 Nov 2009
Location: Paso Robles, Ca
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Posted: 01 Aug 2021 at 9:27pm |
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Just looking the Farm Equipment section over and a question on a M radiator cap is showing and it says a model U one should fit. So my guess about a U and M being the same engine is looking better. So maybe ask your M questions there where there is more traffic will get more answers.
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Bob (IN)
Silver Level
Joined: 06 Jan 2015
Location: SE IN
Points: 294
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Posted: 02 Aug 2021 at 6:25am |
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mark Pfouts should be able to get you all the gaskets and other parts his number is 440 570 3653
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great-grandpa's wc with picker, 20/35, speed patrol, uc, m crawler, 620, 653 dozer d21 d17 d19
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Tad Wicks
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Joined: 27 Mar 2011
Location: Shandon, CA
Points: 2165
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Posted: 02 Aug 2021 at 10:37am |
When you get to the manifolds be sure to check the sleeve above the carb, they are well known to disintegrate over the years. Somebody has done a great deal of freeze break repair, that gives it character as long as it doesn't leak  I have often wondered for obsolete head gaskets if a person could duplicate the dimensions on CAD and then cut them from copper and anneal them, add a fine film of RTV and you are in business. Good luck with your project it will be great.
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wcc5595@gmai.com
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Posted: 02 Aug 2021 at 2:18pm |
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thanks for all you help
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