Need 3/4" spline shaft
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  1. #1
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    Default Need 3/4" spline shaft

    All,

    I find myself in the position of needing a chunk of 3/4" spline shaft for a repair job. I've googled the heck out of this and have so far come up short (story of my life). I bought a hydraulic pump shaft for a Ford tractor that should have been 3/4" parallel 6 spline (SAE). The shaft shows up, made in Turkey, and the splines are all wrong. They should be 3/16" keys and are about 1/32" under. Definition of insanity here, I order another shaft from a supposed different suppler. It did come in a bag with a different name on it, also made in Turkey, and was worse than the first.

    So here's the deal, I find 3/4" couplings all day long in both parallel 6 spline as well as involute 11 spline. Can't seem to find matching shafts. Well, McMaster does have 6 spline for a whopping $250. I find 5/8" and 7/8" spline but not much in the way of 3/4". Case in point, Baum Hydraulics. Scroll to page 18. 3/4" couplers but no shafts. https://www.baumhydraulics.com/images/Catalog/sec-s.pdf

    It seems the world has something against 3/4" spline. I have found numerous threads on several sites about the lack of availability. I could fumble around and machine one but I am trying to avoid that.

    Thanks,
    Aaron

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    Steiner sells shafts with those specs. You may be able to adapt a hydrolic pump shaft for what you need. They fit Fords pattern. Runs 25 to 30 dollars.

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  4. #4
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    The two Ford shafts that I bought came from two different competitors to Steiner. Maybe Steiner's is from a different source, but I am a bit gun shy.

    One of the G&G shafts is supposedly available through Amazon for a an eye gouging $74 and you'll get it at the end of the month... Maybe.. A bit of a hard pill to swallow given that I can find other size shafts for half the money or even less. It's a non-paying customer (father in law) so I'm trying to stay out of my wallet as much as I can. I'm already deeper than I wanted to be.

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    It's here, but be sitting down.

    4 foot length of 3/4 -6 $250

    McMaster-Carr

    It's around, keep looking

  6. #6
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    Quote Originally Posted by Aaron View Post
    I could fumble around and machine one but I am trying to avoid that.
    It would only take an hour, maybe two to knock one out. You've probably already spent longer than that looking for one ...

  7. #7
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    Is this a PTO shaft?

  8. #8
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    Quote Originally Posted by Aaron View Post
    The two Ford shafts that I bought came from two different competitors to Steiner. Maybe Steiner's is from a different source, but I am a bit gun shy.

    One of the G&G shafts is supposedly available through Amazon for a an eye gouging $74 and you'll get it at the end of the month... Maybe.. A bit of a hard pill to swallow given that I can find other size shafts for half the money or even less. It's a non-paying customer (father in law) so I'm trying to stay out of my wallet as much as I can. I'm already deeper than I wanted to be.
    Your OP stated none to be found.
    So now we find it for you, and you complain on price ?

    Begone to china with you sir !

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    A great deal of those hydraulic pumps that attach to the pto come new with a very loose fit. Always have. The 6 spline is the lower side of revolution out put from 540 ish to 640. Sometimes even hanging at a angle and securing them with a chain. Especially the sprayer attachments. Are you sure you are not over enginering it?

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    Quote Originally Posted by digger doug View Post
    Begone to china with you sir !
    Thanks, but no thanks ....

  11. #11
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    I think we have a 3/4 6 spline hob if you need a chunk cut. If ya can't find something PM me and I'll check to see what class fit my hob is.
    Dan

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    Quote Originally Posted by digger doug View Post
    Your OP stated none to be found.
    So now we find it for you, and you complain on price ?

    Begone to china with you sir !
    Clearly price is no object for you as it is for the OP. If we all had your money we could burn ours.


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