U Joint size

37chief · Apr 8, 2016

If I wanted to order a U joint. How is it measured? The cup has a 12 on the end. That's all I can find. Stan

Janicholson · Apr 8, 2016

If it is on a piece of manufactured equipment it will be in a parts book. If it is a unknown joint, take it in to Motion Industries or Kaman Bearing to get it matched up. Jim

Pair-a-dice farm · Apr 8, 2016

(quoted from post at 20:07:05 04/08/16) If I wanted to order a U joint. How is it measured? The cup has a 12 on the end. That's all I can find. Stan

Any good parts store should be able to fix you up.

notjustair · Apr 8, 2016

Any Napa or place with one of us old school guys can tell by looking at it. When I needed one on the grain truck I had driven it to town. The old guy at Napa walked out, bent down and glaced at it, and went inside and got the part. No book. No computer.

Roger in Iowa · Apr 8, 2016

Outside diameter of the cup and the measurement from top of cup to top of cup, when installed should get what you want. LOcation of the retaining rings will confirm it.

37chief · Apr 8, 2016

Not many of those guys around anymore. Stan

Bob · Apr 9, 2016

If you are dealing with AG U-joints, there's wealth of info at the DEERE/Weasler site I've linked below.
Driveline Guide

U Joint size

37chief

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Janicholson

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Pair-a-dice farm

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notjustair

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Roger in Iowa

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37chief

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Bob

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