Crawler ID
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=21134
Printed Date: 11 Feb 2025 at 9:37pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: Crawler ID
Posted By: TimNearFortWorth
Subject: Crawler ID
Date Posted: 21 Nov 2010 at 8:50am
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Looking to ID a small A-C crawler noted for sale recently and need to know where the s/n would be listed before I return to view same (with a camera).
This info is also listed on the construction page and the unit in question is small, narrow gauge/tracks and is best described as being the size of an M model.
Kicker is that it appears to be equipped with a small Detroit, but none of the illustrations found in my A-C books denote Detroit use in a crwaler this small .......
S/N location would allow me to find same and post back with pics.
Thanks
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Replies:
Posted By: MNLonnie
Date Posted: 21 Nov 2010 at 10:06am
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I think the smaller HD series had 2 cylinder diesels in them. They are probably about the same size as an M by dimensions but weigh twice as much. ------------- Waukesha B, B, IB, G, styled WF, D15, 615 backhoe, 2-Oliver OC3's, 4 Ford Model T's, 3 Model A Fords, AV8 Coupe, AV8 Roadster, 1933 Ford Wrecker |
Posted By: Alberta Phil
Date Posted: 21 Nov 2010 at 10:28am
| It seems you have found an HD-5 crawler. They had a 2 cylinder Detroit. Serial number should be stamped on the right side of the steering clutch housing at the upper right corner. They were built between 1946 and 1955. Numbers were from 1 to 29255. There were different variations with 44 in. tracks or 60 in. tracks. |
Posted By: TREVMAN
Date Posted: 21 Nov 2010 at 12:17pm
| Maybe another hd-4 has been found? |
Posted By: Jeff(WD45-SATX-TN)
Date Posted: 21 Nov 2010 at 12:29pm
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Tim,
If you can take some photos and list that serial number. I am trying to document AC crawlers my grandfather may have worked on. I have his service log from back in the 50s. He listed all the tractors and equipment he worked on by serial number. Would be really neat to make a connection.
Jeff ------------- 1954 WD45 NF "Iron Tater" |
Posted By: injpumpEd
Date Posted: 21 Nov 2010 at 12:38pm
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I think trevman means HD3.
------------- 210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers! |
Posted By: TREVMAN
Date Posted: 21 Nov 2010 at 3:43pm
| Ed, your right, that is what I was thinking, the very limited production HD-3. Didnt have enough of coffee this morning. Wasnt the HD-3 basically an M with a detroit? |
Posted By: OrangeKiwi(NZ)
Date Posted: 21 Nov 2010 at 4:34pm
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Tim, does the for sale crawler look like this one ?
The crawler pictured belongs to forum member Terry G from Idaho. It's a 1942 HD3, one of 28 made that year only. Basically it was a Detroit 2/71 motor in an Allis model M powertrain. 
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Posted By: TimNearFortWorth
Date Posted: 21 Nov 2010 at 5:38pm
| Yes, looks somewhat like that one, but tin work appears to be an older looking model on the unit I have seen; will have to get out there this week and take a pic ........ |
Posted By: TimNearFortWorth
Date Posted: 26 Nov 2010 at 6:52am
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Went by this crawler on the way to T-Day dinner at Hilltop Lakes; s/n HD5A-528.
What is the difference between the A and B series HD's?
Pretty clean old HD5 and he is asking 2800.00 for it.
Tim
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Posted By: MNLonnie
Date Posted: 26 Nov 2010 at 7:27am
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The HD-5A is 44 inch gauge and the HD-5B is 60 inch, that appears to be the only difference in the book. ------------- Waukesha B, B, IB, G, styled WF, D15, 615 backhoe, 2-Oliver OC3's, 4 Ford Model T's, 3 Model A Fords, AV8 Coupe, AV8 Roadster, 1933 Ford Wrecker |