Pioneer couplings

Backhoe Bob

New User
I have a 1964 IH 806, I recently went to
replace a leaking Pioneer coupling. Went to
Tractor Supply a bought both a male and
female, they won't fit my threaded ends. To
small. What do I need? I bought 1/2 inch.
Just slightly smaller but 3/4 is to large.
Any help appreciated. Thanks
 
Fitting like that can be 3/8 or 1/2 or 5/8 or 3/4 etc. etc. What I do when replacing parts I take one to the old one and use it to compare it to size. Did that today when I needed fittings to go from 3/8 pipe to 1/2 JIC
 
JIC Oring. I ended up going to the dealer for some.A good hydraulic shop(or even your local dealer) can supply adapters. That the old oneswith you as a sample.
 

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