Adding remote auxiliary hydraulics to Ford 861

I have a John Deere 5 sickle mower that has a one way hydraulic cylinder for lifting the sickle...to lower it, gravity brings it down to the ground. I also have purchased a grain seeder that requires a hydraulic cylinder to raiser and lower the planting discs (engages and disengages the seeder).

I have read about a 70 dollar plate from New Holland that will bolt under the seat area, and something about buying some parts at TSC, and then one will have a working hydraulic system? Is this correct? Also, will it work for my purposes? Also, am I correct that you need to toggle some valve to switch between being able to raise your 3 point and being able to operate external hydraulic implements?

There are single acting valves. Only have pressure one way.

There are double acting valves. Generally they will work with single-acting cylinders as well, but you end up bypassing the oil so your hyds grunt a little & it lowers slower....

There are double-acting valves that have a tiny valve on them to change them easily to true single-acting or true double-acting.

You will want a double acting valve - just better & you have a need.

A second single acting; or if the double-acting you get has the little bypass valve - would be better for you. But not absoulutely needed - just in case money is an object & I spent all yours on this proper valve already. :)

Hope I helped add to the confusion. :)

--->Paul

There are two ways to do it. There is an accesory plate under the forward edge of your tractor's seat that you remove. Then you have 2 options:
1) Bolt a spool valve directly to the location where you removed the accessory plate. Run hoses from the spool valve to quick couplers that you will want to mount behind the seat. Attach the hose(s) from the cylinder on your implement to the quick couplers.
2) Sandwich an aluminum adapter block between the accessory plate and the tractor. This block has a Pressure and a Return port. Mount your spool valve on your tractor's fender. Run hoses from the Pressure and Return ports to the spool valve. Run hoses from the spool valve to quick couplers mounted behind the seat. Attach the hose(s) from your implement to the quick coupler.

You mentioned that one of your implements has a single acting cylinder (one hose) and the other has a dual acting cylinder (two hoses). You have 2 options once again:
1) Buy a single spool valve that can be converted from single acting to dual acting by installing/removing a plug.
2) Buy a two spool valve with one single acting spool and one dual acting spool.

You also mention toggling between the 3PH and the implement. Some guys choose to go the cheap route and eliminate the purchase and installation of spool valves. They plumb the hose from the cylinder on their implement directly into the tractor's hydraulic system and then tie the lift arms of the 3PH down with chains. When they raise the lever to the right of the seat that would normally raise the 3PH it can't go up because it is chained down so the hydraulic pressure is diverted to the cylinder on their implement. I believe this system will only work with a single acting cylinder.

I have an 861D that has the adapter plate sandwiched in the hydraulic system and spool valves mounted on the fender. I also have a 5000D that has the spool valves mounted under the seat where the accessory plate was.

These valves replace the hydraulic blockoff plate on the deck under the seat. Your operator's manual should show it. If you don't have an operator's manual, I'd suggest you get one.