Hydraulic coupling

WNYBill · Jun 24, 2015

4000 has the push/pull remote hydraulic couplings. Only one of them leaks, not a squirt but constant leak. I have replaced the o-ring and the male fitting on the hose, it was rough. Still leaks! I can see nothing wrong with the female coupling, shiney, no scoring or scratches, works just like the non-leaker. They both look alike. How does something like that wear out? Anybody got a brilliant idea before I order a new one?

sotxbill · Jun 24, 2015

I have not had luck replacing orings on the female couplers.. so I end up eventually replacing them... Seems to be the way of things.

Michaels Dad · Jun 24, 2015

Guess I've been lucky. Replaced male and female on my Kubota, no problems. They were not metric.
Might try finding a metric that has little bigger cross section than a standard.
"O" rings are cheaper than couplings.

Hydraulic coupling

WNYBill

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sotxbill

Well-known Member

Michaels Dad

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