Pressure was not the initial problem. I was able to press the poppet on the tractor side. Seems like the coupling needs to be in the exact position before it goes in.
I ordered some 1/2" AG from Summit. They didn't seem to work at first, but I think the tractor fittings had some debris or roughness. Eventually got them to work.
Thanks
Thanks for the help. I purchased a Walco log splitter and it came with male couplers. Using the chart you posted, these are ISO 7241 and not the ISO 5675 that I need.
Anyone know what style of hydraulic couplings are used on the CT4050 rear hydraulics? I have the operators manual, service manual and have searched the parts catalog, but it says nothing about the specs of the coupler. Very frustrating.