Quick connect hydraulic lines: Tractor Implements  -- Tractor Attachments Implements 3ph Discussion Forum and Review Quick connect hydraulic lines: Tractor Implements -- Tractor Attachments Implements 3ph Discussion Forum

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 04-09-2001, 03:12 Post: 26493
Richard Burge



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 Quick connect hydraulic lines

I have a 3pt hitch hydraulic log splitter that I have put together. The only problem I have is that my 650 JD does not have hydraulic lines to hook into the splitter.I can use a pto powered pump to run the splitter but I would rather use the quick disconnect lines and the tractor hydrualic system(Much cheaper). Tell if I am wrong, but all I need is a pressure line and a return line. How can I install these lines myself?Richard






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 04-09-2001, 05:25 Post: 26494
TomG

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 Quick connect hydraulic lines

A discussion in the archives mentioned a JD rear hydraulics option kit for another model. I think the tractor was designed for the option. My impression is that the option consisted of quick connect fittings and hoses to tap into a loader power beyond port and hoses to run to a rear fender, mounting brackets and a short double male-end hose to connect the power beyond hoses together when a hydraulic implement wasn't attached. Such a kit would provide an un-valved port and would not be too expensive or difficult to install. However, there would be quick connects in the open centre line. Quick connects pull apart fairly easily, which would disable some of the hydraulic system and leak a bunch of oil. Maybe the JD option kit has more to it. If not, I think I'd be happier with something like a diverter valve in the power beyond line. I have a comment about log spatters and tractor hydraulics. Many log splitters have long large-diameter cylinders, and many tractors have fairly low GPM hydraulic pumps. Running a log splitter from the tractor hydraulics can result in longer cycle times than are tolerable to many people. A rough idea of the issues and an impression of the time spend standing around waiting for the splitter to cycle might be good enough. However, the volume of fluid needed to cycle the splitter and how long it would take running off the tractor hydraulics could be estimated. A simple estimate would be on the short side if the pump GPM rating is used. I believe that GPM ratings are for the system at idle, and less volume is pumped when the system is under pressure. A splitter that used a regenerative circuit for cylinder withdrawal would reduce the cycle time considerably.






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 04-09-2001, 08:47 Post: 26508
Roger L.



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 Quick connect hydraulic lines

Richard, do you have a loader on the tractor? If so, it is easy. I can tell you how to do it. If not, look in an early owner's manual. As I remember they showed how to hook up external hydraulics by bypassing the 3pt hitch. The flow rate is low, but like you say: it is cheap. You can always add the PTO pump later. GPM is quoted at PTO rated speed, so for faster operation the engine will be wound up.






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 04-09-2001, 16:02 Post: 26530
TomG

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 Quick connect hydraulic lines

Ops. I can see that I invited misinterpretation. I meant the hydraulic system at idle, meaning no hydraulic devices actuated in an open centred system. Yes, pumps are rated at PTO RPM, but I believe with an open centre. I think the system pressure in an open centre condition is around 100 pounds, and I believe the capacity in most pumps decline as operating pressures increase. Anyway, I hope my main point came across. I think it's a good idea to get some idea of the cycle time before committing oneself to the idea. I've heard some people that are happy with splitters run off typical compact hydraulics, and also have heard some people who were very unhappy. But maybe the unhappy people were those who put big splitters on small tractors. I haven't added rear hydraulics myself, but I think the installation as a loader add on should be pretty simple. I still don't know about the idea of quick connectors in the PB line. Something about it doesn't seem quite right.






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Discussion Boards > Active Subjects > Messages as Posted > Tractor Implements Forum

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