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  1. #11
    Gold Member
    Join Date
    Jun 2006
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    330
    Location
    NW WA State
    Tractor
    1980 AC 5020

    Default Re: SAE ports/fittings on a 1980 made in Japan....

    Quote Originally Posted by oliver28472
    Some of the ports on my Satoh (late 70's) are npt.
    What were the other ones? SAE?

  2. #12
    Epic Contributor Soundguy's Avatar
    Join Date
    Mar 2002
    Posts
    46,366
    Location
    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: SAE ports/fittings on a 1980 made in Japan....

    Quote Originally Posted by montejw
    Thanks, downloaded the catalogs. Now I just need to figure out what the fittings are on the tractor.

    Monte
    That should be easy.. grab a 3/8 and 1/2 pipe plug and check the ports to see if they are npt. It they are, the plugs will snug up at least by half way in.

    Now.. if they are not taper thread.. if they are ORB, then you will see a slight undercut / countersink right at the bore where the first female thread would be.. not to mention that it would be a straight cut thread.. for instance. 3/8 orb will fit a 9/16 bolt thread..

    JIC fittings seal on a tapered flange, and that will be easy to determine by looking at the fittings.

    ( swivel and most 90' NPT fittings will also use a flange seal )

    If you see soemthing that looks pipe.. but is in the 5/8 size range.. it will probably be #10 orb.. I have some jap cylinders like that.

    Soundguy

  3. #13
    Super Member JerryG's Avatar
    Join Date
    Apr 2000
    Posts
    7,171
    Location
    Northwest Arkansas
    Tractor
    MF 1440-4 PowerShuttle

    Default Re: SAE ports/fittings on a 1980 made in Japan....

    To throw another kink into things, some of the Japanese tractors also have British standard pipe (BSP) fittings. Sometimes it is easier to just take a fitting to a Parker store or somewhere like that and let them figure it out.

  4. #14
    Epic Contributor Soundguy's Avatar
    Join Date
    Mar 2002
    Posts
    46,366
    Location
    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: SAE ports/fittings on a 1980 made in Japan....

    Thanks for the save! I completely forgot british pipe... what a ball of wax!

    Soundguy

  5. #15
    Gold Member
    Join Date
    Jun 2006
    Posts
    330
    Location
    NW WA State
    Tractor
    1980 AC 5020

    Default Re: SAE ports/fittings on a 1980 made in Japan....

    Quote Originally Posted by Soundguy
    That should be easy.. grab a 3/8 and 1/2 pipe plug and check the ports to see if they are npt. It they are, the plugs will snug up at least by half way in.

    Now.. if they are not taper thread.. if they are ORB, then you will see a slight undercut / countersink right at the bore where the first female thread would be.. not to mention that it would be a straight cut thread.. for instance. 3/8 orb will fit a 9/16 bolt thread..

    JIC fittings seal on a tapered flange, and that will be easy to determine by looking at the fittings.

    ( swivel and most 90' NPT fittings will also use a flange seal )

    If you see soemthing that looks pipe.. but is in the 5/8 size range.. it will probably be #10 orb.. I have some jap cylinders like that.

    Soundguy
    Sounds messy, but it's probably what I'll do. The ones I was concerned about mostly are on the tractor itself. There's one plug where I want to install a pressure gauge, it looks like a 1/8 pipe thread plug. It's a British thread. I bought a Parker Thread Identification Kit, the British 1/8 tapered pipe thread is 28 tpi, npt is 27. That's the stuff I don't want to get messed up.

    Monte

  6. #16
    Gold Member
    Join Date
    Jun 2006
    Posts
    330
    Location
    NW WA State
    Tractor
    1980 AC 5020

    Default Re: SAE ports/fittings on a 1980 made in Japan....

    Quote Originally Posted by JerryG
    To throw another kink into things, some of the Japanese tractors also have British standard pipe (BSP) fittings. Sometimes it is easier to just take a fitting to a Parker store or somewhere like that and let them figure it out.
    Eggzachery.

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