are hydraulic fittings reverse thread?

   / are hydraulic fittings reverse thread? #1  

LittleBill21

Elite Member
Joined
Dec 16, 2015
Messages
2,617
Location
PA
Tractor
Mahindra Max 26XL, White
going to be adding a diverter for a 3rd function, some of the fittings on my max 26 have a notch on the couplers. before i go break 700 dollar lines, are any of these lines in general left hand thread?
 
   / are hydraulic fittings reverse thread? #2  
going to be adding a diverter for a 3rd function, some of the fittings on my max 26 have a notch on the couplers. before i go break 700 dollar lines, are any of these lines in general left hand thread?
I've never heard of LH threads on hydraulic lines.

What/where is the notch? Picture?
 
   / are hydraulic fittings reverse thread?
  • Thread Starter
#3  
I've never heard of LH threads on hydraulic lines.

What/where is the notch? Picture?
on the nut itself, single notch, I know most left hand are 2 notches, just double checking, no photo right now
 
   / are hydraulic fittings reverse thread? #4  
Is the notch on the quick disconnects? If yes I have seen that and they were not LH thread.
 
   / are hydraulic fittings reverse thread? #5  
Forty years with tractors and related hydraulics. Never seen LH threads. Always - righty tighty, lefty loosey.
 
   / are hydraulic fittings reverse thread?
  • Thread Starter
#6  
thanks everyone
 
   / are hydraulic fittings reverse thread? #7  
All my flat face couplers have a notch on the release ring. Is that what you're talking about? It needs to line up with the pin/ball to release the coupler. The release ring will rotate so you can lock a coupler together if necessary.
 

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