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Discussion Starter · #1 ·
Are the hydraulic ports in an HH style hitch cylinder 1/2 NPT? I should know this, but in the past I have used a fitting that has the o-ring, which I am not sure if that is a NPT fitting with an o-ring because of the length. I still have a lot to learn on the port/fitting sizes.
 

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Onan Master, new and used parts.
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uncle
my 4000 series manual shows an o ring.
that means S.A.E.
many times an sae and pipe will have the same threads per inch.
pipe in hyd. is always taper thread.
pipe in elect. is straight cut threads
sae is straight, (usually N F thread) but uses the o/ring to seal in a chamfered hole at the top.
hope this helps.boomer
 

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Ken,
You need to be more careful with your retirement savings. :sidelaugh:

The F, G, H and J hitches designed during the Case era did use 1/4" National Pipe thread but the HH-34 hitch is an Ingersoll design that uses O-ring style fittings.

And since your nickel isn't worth a nickel here in Canada, I won't ask you to make good on the bet. :lol: :lol: :lol:
 
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