MT225S Hydraulic coupler size

   / MT225S Hydraulic coupler size #1  

BakoJ

Member
Joined
Dec 31, 2021
Messages
46
Tractor
2021 LS MT2 25S
My hydraulic couplers for the backhoe/rear remote seem to be a wonky size. I've tried to fit them to 3/8" and that's too big. 1/4" is too small. Does anyone know what size these are? Tractor supply and CAL Ranch didn't have anything but SAE sizes.

Also, beware of the rear remote that has the L shaped tube. Mine snapped off and now I'm going to have to work to make something else fit.
 
Last edited:
   / MT225S Hydraulic coupler size #2  
They might not be "standard" AG couplers. See if the 7241-A 3/8" couplers might fit.
 
   / MT225S Hydraulic coupler size
  • Thread Starter
#3  
They might not be "standard" AG couplers. See if the 7241-A 3/8" couplers might fit.
Unfortunately they don't. Took a male coupler to the stores. TSC carries 3/8 Pioneer and CAL Ranch carries Apache in 7241-A. Neither 3/8 fit as the inlet in the female side is too large.
 
   / MT225S Hydraulic coupler size #4  
OK. So ISO 5675 and ISO 7241-A.....the only size that is common (will fit) to both ISO's is 1/2".
A male 3/8" 5675 will not fit into a 7241-A, it will be slightly too big.
A male 1/4" 5675 will be too small.
Maybe you have a 1/2" coupler. Possible. Take a dial caliper and measure exactly what you have. If 3/8" male in 5675 and 7241 are both to small for the female coupler...then try the 1/2".
 
   / MT225S Hydraulic coupler size #5  
Why not just change them to the common Pioneer couplers instead of trying to 'sork' them.
 
   / MT225S Hydraulic coupler size
  • Thread Starter
#6  
Why not just change them to the common Pioneer couplers instead of trying to 'sork' them.
I will likely have to do that. I don't know if you guys are aware, but TSC is phasing out and has on clearance 1/4" and 3/8" couplers. An associate told me they'll no lomger carry anything but 1/2".

Anyone else notice the local TSC has one small aisle of tractor parts?
 
   / MT225S Hydraulic coupler size #10  
Unfortunately they don't. Took a male coupler to the stores. TSC carries 3/8 Pioneer and CAL Ranch carries Apache in 7241-A. Neither 3/8 fit as the inlet in the female side is too large.
I'm confused. It didn't fit and now it does?
Thanks for the help. That was the right size and I'm back in business.
Interesting.
 

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