Update on the tubing leak. First remove the high pressure tubing. This in itself in hard to do. The foot rest, parking brake, and then the tubing has to come off. The fix was to use a male jic fitting, already attached to a short piece of steel tubing (about 8"). An adapter was then used that had correct threads to fit the pump (still don't know what thread it is) and female jic on the other end for the new tubing section. Cut off the end of the original steel tube and join to the new tube using a steel tube with id to match the od as a coupler. After several dry fittings, the coupler was brazed on each end to the tubes. This took over 2 hours as the assembly being rigid has to be right on the money to be able to attach to the pump. But, they were able to make it work. No leaks.
If I were doing another, I think that it would be much easier to have a good hydraulic hose shop attach a short hose to the cutoff steel tube with the correct fittings on the other end to fasten to the pump. This gives much more flexibility than the rigid steel line.
Replacing the steel line completely with rubber probably would not work because of the limited space beneath the step at the back.
As this was done at our local Ford dealer, I was able to look at several other tractors there. Looks like a change to a jic fitting was done on the later models.
I hope that this is clear to everyone. I meant to make some pics of the process, but forgot the camera.