Can anyone help me figure out away, to modify the pto valve? The reason is because on the case D-Series tractors, rear pto is completely independent. So the clutch pedal doesn't stop the pto from turning, you have to use the lever. The lever is located on left side and power lift is on right, well when i attach the post hole digger and Im digging, I have to turn from the right to the left to pull the lever to disengage it. The problem is that Im use to pressing the clutch to stop it. Its a hassle this way and dangerous, while digging, sometimes I need to stop it in seconds. This way takes to long to stop it!

So Can anyone help me? or can I put secondary valve in front of the original pto valve and link it to the clutch pedal?
The pto valve is external and has hydraulic line from the pump, to the valve. Can I put the secondary valve in between? The pump and pto valve?

82" Ford 4x4 1700
05" Case D40 4x4 w/ loader