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426 cranks after rod cap came off
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nickia View Drop Down
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Joined: 11 Sep 2009
Location: alden iowa
Points: 770 		Post Options Post Options   Thanks (0) Thanks(0)   Quote nickia Quote  Post ReplyReply Direct Link To This Post Topic: 426 cranks after rod cap came off
    Posted: 04 Aug 2024 at 10:16am
Thoughts or comments on reusing a crank the the rod cap came off?  Dont appear to be any visual damage Thinking about sending one into the machine shop to get looked at.  Any one have repurposed a used crank with a rod cap failure or any comments or thoughts?  Thanks  R-5 and a 7040 red belly are the 2 I have
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Lynn Marshall View Drop Down
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Joined: 13 Sep 2009
Location: Dana, Iowa
Points: 2257 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lynn Marshall Quote  Post ReplyReply Direct Link To This Post Posted: 04 Aug 2024 at 11:01am
I've never seen a rod cap come off that wasn't catastrophic. I guess if the machine shop gives its stamp of approval, I'd give it a shot.
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8070nc View Drop Down
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Joined: 21 Mar 2019
Location: North Carolina
Points: 497 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 8070nc Quote  Post ReplyReply Direct Link To This Post Posted: 04 Aug 2024 at 11:10am
Im with Lynn. Cant imagine a cap coming off and not beating up the crank but i guess anything is possible. If it doesnt have impact marks and the shop says its not cracked yes id run it
1984 80780
1957 D14
DES 300 with 25000 engine
616 tractor
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nickia View Drop Down
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Joined: 11 Sep 2009
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Points: 770 		Post Options Post Options   Thanks (0) Thanks(0)   Quote nickia Quote  Post ReplyReply Direct Link To This Post Posted: 04 Aug 2024 at 12:02pm
Ok thank you
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injpumpEd View Drop Down
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Joined: 13 Sep 2009
Location: Walnut IL
Points: 4859 		Post Options Post Options   Thanks (0) Thanks(0)   Quote injpumpEd Quote  Post ReplyReply Direct Link To This Post Posted: 05 Aug 2024 at 9:34am
One of the cranks I had welded and stroked to 5.5" for my puller had a spun rod brg on #1. As long as it wasn't cracked it was a great candidate for that project. Should be savable. 
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!
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