1968 Ford 4000 Tractor, having hard time finding the name of this seal to replace it

Just having a hard time finding the name of this part. Its where the pto engage/disengage goes from the clutch pedal into the axle, has been leaking hydraulic fluid at a pretty good rate. A part number will be great. 1968 Ford 4000 Tractor, having hard time finding the name of this seal to replace it

The best way to get the correct part is take this picture and your description to a Ford/New Holland dealer. The parts guys are pretty savvy about this stuff.