Eric C 109 #1 Posted July 23, 2014 Has any member here ever successfully added additional spools of hydraulics to there horse? I was wondering if an H2 valve from a Deere 318 could be plumbed in line with the existing valve on a 520h. I'm in the process of building a sleeve hitch. I really don't care for the factory setup with the cable, another rock shaft and no down pressure and such. I have a 4" electric actuator to raise and lower, but thinking hydraulics would really be stronger and faster. Not to mention the cool factor. Don't forget to post pictures and links if you have them. Thanks. Sent from my iPhone using Tapatalk Share this post Link to post Share on other sites
RMCIII 838 #2 Posted July 23, 2014 Eric: Scott, his screen name "smoreau", created a "v" blade that needed additional spools. Maybe he can chime in on this one. Rob Share this post Link to post Share on other sites
Aldon 4,826 #3 Posted July 23, 2014 Interested as well in responses. Share this post Link to post Share on other sites
jeremi3210 688 #4 Posted July 23, 2014 This is what I did with my gt14. One spool is for the 3 point and the other is for my hydraulic blade angle. Share this post Link to post Share on other sites
JUSS10 250 #5 Posted July 23, 2014 so are you looking to add a cylinder? I don't know 520H tractors very well but I'm assuming it has a hydraulic mid lift, correct? I would think the biggest concern is volume. Your storage tank (in the case of hydros, that is the hydro unit) needs to be large enough for your needs. My understanding is that by adding another cylinder, valve and lines, you need to make sure the volume is still large enough that you don't starve fluid else where in the system.I would guess you would be safe to add another small cylinder. Wheel horse offered that as an option on the GT 14 when you added a rear 3 point. It would add another circuit to the system for a valve and cylinder. I'm pretty sure all you need to do is "T" off from the existing hydraulic send from the trans so it goes to both valves, then the returns from both valves would need to "T" back together before going back in to the transmission. If I'm not mistaken, if the lines are already there, its not hard to add more circuits just keeping volume in mind. Justin Share this post Link to post Share on other sites
Eric C 109 #6 Posted July 23, 2014 Eric: Scott, his screen name "smoreau", created a "v" blade that needed additional spools. Maybe he can chime in on this one. Rob I read smoreau's thread on his vplow...nice work. so It is possible to add spools, just plumb the return from the factory spool to the in of the new spool. Thanks! This is what I did with my gt14. One spool is for the 3 point and the other is for my hydraulic blade angle. That looks great. Where did you source the valves? so are you looking to add a cylinder? I don't know 520H tractors very well but I'm assuming it has a hydraulic mid lift, correct? I would think the biggest concern is volume. Your storage tank (in the case of hydros, that is the hydro unit) needs to be large enough for your needs. My understanding is that by adding another cylinder, valve and lines, you need to make sure the volume is still large enough that you don't starve fluid else where in the system.I would guess you would be safe to add another small cylinder. Wheel horse offered that as an option on the GT 14 when you added a rear 3 point. It would add another circuit to the system for a valve and cylinder. I'm pretty sure all you need to do is "T" off from the existing hydraulic send from the trans so it goes to both valves, then the returns from both valves would need to "T" back together before going back in to the transmission. If I'm not mistaken, if the lines are already there, its not hard to add more circuits just keeping volume in mind. Justin Yes, it does have the hydraulic mid lift. You have a point about volume as the Eaton 1100 does not have a "tank", but 1 or 2 small cylinders like the existing, shouldn't need much more fluid. I don't think a "T" is the correct way to do it though. In series should be the way to go. Any one else have any experience with this? Lets see some more pictures and hear some stories. Share this post Link to post Share on other sites
swarfeater 49 #7 Posted July 23, 2014 except for capacity there is no problem. I am not sure about the jd valve though, their big tractors use closed center valve designs whereas all other systems are open center. they are not interchangeable (so you had to get parts from jd only) I am not sure if the lawn tractor line is the same, never messed with one ! Share this post Link to post Share on other sites
jeremi3210 688 #8 Posted July 23, 2014 The valve I used is off a d wheelhorse they are open center valves. The relief valve on the sun strand hydrostatic are part of the pump. On the eaton1100 the relief is in the valve. Share this post Link to post Share on other sites
KC9KAS 4,741 #9 Posted July 23, 2014 Eric, I agree with you on running the valves in series. I added a seperate cylinder & valve to my GT-14 3 point lift so the rear & mid lifts would operate independently. Ran from existing valve return to new valve input side then return to the original return location. I am very happy with how this works. After I made all the connections and operated the additional cylinder, I topped off the hydro fluid. Share this post Link to post Share on other sites
