Farm Equipment - AC 7580 lower driveshaft U joint (knuckle)

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AC 7580 lower driveshaft U joint (knuckle)

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=195198
Printed Date: 25 Aug 2025 at 9:00am
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Topic: AC 7580 lower driveshaft U joint (knuckle)

Posted By: tjwb71
Subject: AC 7580 lower driveshaft U joint (knuckle)
Date Posted: 17 May 2023 at 12:47am

Curious anyone know were could locate a U joint (knuckle) for lower drive shaft on AC 7580. Not having much luck finding new or used. Open to having one made if any shops I could contact.

Replies:

Posted By: Daehler
Date Posted: 17 May 2023 at 5:57am

I assume for old style?

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Posted By: tjwb71
Date Posted: 17 May 2023 at 3:02pm

Correct, but that being said was able to locate a salvaged drive shaft with joints so I'm good to go for now. Thanks. Don't really need shaft but it's worth grabbing whole thing for the joints.

Posted By: DougG
Date Posted: 18 May 2023 at 6:15pm

Couldnt a truck shop put you modern knuckles and joints on the original drive shaft ?

Posted By: tjwb71
Date Posted: 24 May 2023 at 5:20pm

When I got chance was going to stop at driveline shop and see about getting some spar parts.