Posted 5/5/2021 01:13 (#8988047 - in reply to #8987880) Subject: RE: Adding a hydraulic thumb on an excavator
I would ask a competent hydraulic knowledgeable mechanic to look at your existing valve, to see if there is already another port for implements, currently plugged. Most machines will have one. If not, buy one. It will be well worth it to do it right.