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D175 Main Bearing options
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Heathg View Drop Down
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Joined: 02 Jun 2025
Location: Oregon
Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Heathg Quote  Post ReplyReply Direct Link To This Post Topic: D175 Main Bearing options
    Posted: 02 Jun 2025 at 12:00pm
Rebuilding my Allis Chalmers HD3 Crawler with a D175 motor. Trying to source main bearings for a 0.040 ground journal. Or if anyone knows where to source a crankshaft. Any info would be greatly appreciated. 
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PaulB View Drop Down
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Joined: 12 Sep 2009
Location: Rocky Ridge Md
Points: 4987 		Post Options Post Options   Thanks (0) Thanks(0)   Quote PaulB Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jun 2025 at 3:10pm
Considering how hard parts are to find for those BUDA engines, you might be better to send your crank to one of the places that strokes cranks and have it built up to STD bearings.
If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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Heathg View Drop Down
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Joined: 02 Jun 2025
Location: Oregon
Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Heathg Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jun 2025 at 4:49pm
Thank you, I had considered that but what I have heard is they only want to weld on one journal and not on all five die to heat fracturing. If you have any other ideas or people who I might talk with that would be helpful. I have been working on this project for a number of years with road blocks all along the way. I appreciate any help or ideas. 
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PaulB View Drop Down
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Joined: 12 Sep 2009
Location: Rocky Ridge Md
Points: 4987 		Post Options Post Options   Thanks (0) Thanks(0)   Quote PaulB Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jun 2025 at 6:58pm
I have had many cranks stroked where 4 or more journals were welded on without issues. Find another crank company.
If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 21517 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jun 2025 at 7:31pm
I'm all for welding a crank for pulling, but never for use in a farm/work application. Diesel cranks are generally harder journals than gasoline engine cranks. Find a different crank or engine.

Edited by DrAllis - 02 Jun 2025 at 7:52pm
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Les Kerf View Drop Down
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Joined: 08 May 2020
Location: Idaho
Points: 1130 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Les Kerf Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jun 2025 at 7:52pm
Originally posted by Heathg Heathg wrote:

... I have been working on this project for a number of years with road blocks all along the way. I appreciate any help or ideas. 

What I know about your engine would fit on the head of a pin with room left over for the Declaration of Independence, but I do know that in the motorsports world that folks will often use rods, etc. from other brands of engines and have them modified to fit.

If your pockets are deep enough, custom rods can be had (it sure is easy to spend other peoples money) Big smile
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Pfouts Family Farm View Drop Down
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Joined: 05 Dec 2018
Location: Hiram, Ohio
Points: 176 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Pfouts Family Farm Quote  Post ReplyReply Direct Link To This Post Posted: 19 hours 13 minutes ago at 11:09am
Have sets of .040 main bearings in stock.  Give me a call 330-569-7037
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