JWR
Elite Member
- Joined
- Apr 19, 2011
- Messages
- 3,974
- Location
- So MD / WV
- Tractor
- MF 2660 LP, 3 Kubota B2150, Kubota BX2200, MH Pacer, Gravely 5660, etc.
OK, If you have no need for more typical farm tractor implements run by (or moved up/down by) hydraulics, all you may be trying to do is tap into the hydraulic pump pressure on the tractor to operate something like a log splitter (??) If so all the discussion about remotes and RCVs etc. goes away. Then you have a simplified situation as follows:
You still, in that simplified situation, need to locate the output port plug on the loader valve (which may be labeled OUT or Power Beyond or ?) Look at the diagram and info on the loader valve on the web. You would need to do pretty much what you said originally before I went off on a more complex tale. i.e. just run a line from the output port to a handy location (probably on the rear of your tractor) and mount some common type of quick disconnects there as a pair -- one each for the pressure side and for the return line. You are probably right in your orig photos about that being a return line to the sump (and you would then run a line from the quick disconnect to the new tee you would install in the return-to-sump line.) The same diagram/info you find on the loader valve will also tell you which is the return line port and you can trace that back to the tractor sump an decide where to put your tee into it. Note: The pair of quick disconnects would ideally be male/female -- one for one flow direction and one for the other -- so that you could not get the wrong hose connected to the wrong line. One could just color code or something but far safer to use gender selection at the pair so you can't get them hooked up the wrong way.
All that done you would be set to do the following:
You still, in that simplified situation, need to locate the output port plug on the loader valve (which may be labeled OUT or Power Beyond or ?) Look at the diagram and info on the loader valve on the web. You would need to do pretty much what you said originally before I went off on a more complex tale. i.e. just run a line from the output port to a handy location (probably on the rear of your tractor) and mount some common type of quick disconnects there as a pair -- one each for the pressure side and for the return line. You are probably right in your orig photos about that being a return line to the sump (and you would then run a line from the quick disconnect to the new tee you would install in the return-to-sump line.) The same diagram/info you find on the loader valve will also tell you which is the return line port and you can trace that back to the tractor sump an decide where to put your tee into it. Note: The pair of quick disconnects would ideally be male/female -- one for one flow direction and one for the other -- so that you could not get the wrong hose connected to the wrong line. One could just color code or something but far safer to use gender selection at the pair so you can't get them hooked up the wrong way.
All that done you would be set to do the following:
- feed high pressure flow to some device which has it's own control valve
- provide feedback of low pressure return fluid to the sump on the tractor.
- there needs to be a pressure relief valve in the circuit somewhere (to avoid potential destruction of the expensive hyd pump on your tractor!) I think your front end loader valve is equipped with a pressure relief somewhere in that plumbing -- has to be. That SHOULD protect the pump from whatever you connect but you need to make sure of that. Any tractor dealer tech can point out the pressure relief in your configuration in a few seconds time.
- you would have to investigate the external implement/device (like the log splitter) to see what plumbing it requires. I have no knowledge of that & have only seen log splitters with their own 4 cycle Briggs and Stratton motor.
Last edited: