Another problem is a bucket that will not tilt, tilts back slowly or tilts forward slowly. Backhoe issues also make it to the list of common problems. After unending searches to try and find something about someone with the same problem with no luck I went to a different JD dealer in hopes of finding somebody that knew something about the system. John Deere 401D. 18.8 gal/min. Matching applications to hydraulic performance expectations is easy with John Deere hydraulics. The eBay one is same # publication as JD offers. I had figured that a person has the right to make a copy of what he has legally purchased. I guess I'm going to get an operation and test manual and hope that it would have information on the problem, like how to find out if the charge pump is bad or not, don't see any test port on it and don't want to go through all the work of taking it off to find it's not the problem. Secure online payments Learn more. The relief valve could also be damaged. In addition to this issue, you may also notice that the Selective Control Valve has stopped flowing oil in either direction, with the hydraulic pump going to high pressure. Equipment for base machine 6230-6430 Open Operator Station (OOS) and Cab Tractors—single basic SCV (no detent - 101 Series) with standard couplers But then again, I'm cheap and would only print the pages I needed. By continuing to browse our site you agree to our use of data and cookies. Male tip failures may be as a result of the internal poppet or ball stop being damaged or moving out of position. Hope that cures everything for you. Same-day shipping and easy returns. Couple things of note; I got an older Deere and on it steering and brakes get priority and you can usually check pressure on the charge pump but it will probably be a flow problem and that takes special tools. John Deere 830. If there is no hydraulic system pressure, the hydraulic pump could be worn. In case the system pump is noisy, check the oil level and refill as required. Have you had and internal problems in the last few years? We carry new, rebuilt and used John Deere 6400 tractor parts. I found not everybody was willing to copy it, because of copyright laws. Share. Hydraulic System. JOHN DEERE 6400 Horsepower Show parts. Specs for the John Deere 6400. Yeah I've looked at the book on ebay but thought I'd get a CD but I'm hoping after I change the relief I won't need it. I don't think they copyrighted MY school pictures from a long time ago, but then again I tell my grandkids, Abe Lincoln is in my yearbook (the back ground picture taken in the Library). I would need to have a paper copy made from digital as well. We are wondering if we can install a trimble gps on it. Low system-pump oil flow may be a… John Deere 790. If the oil viscosity is not correct, the oil and oil filter may need to be replaced. Several functions may not work. For the female coupler, internal seal failure may cause the male hose tip not to open, causing female coupler failures. Probably wishful thinking, I would need to have a paper copy made from digital as well. 1. Others include poor hydraulic performance, excessive machine vibration, the machine does not move when the engine is running, three-point hitch fails to lift, three-point hitch lifts slowly, three-point hitch does not drop or drops slowly, and three-point hitch drops too fast. Remember to lubricate the linkage if you establish that this is necessary. Recently acquired a JD 2640 with a Kelly 800 loader that has hydraulic problems. Well after taking the hydraulic pump and charge pump off the tractor replacing all orings and gaskets,I did find one really bad oring where the compensator valve goes on the pump but everything else looked like new and did check the relief valves which were fine put it back together and got 1600 lbs pressure which made me think that my pump was bad. john deere 6400 hydraulic problems - posted in Tractor Talk: I have a 6400 tractor that seems to have developed an issue with the hydraulics, no power on the loader, will hardly lift anything where before it almost seemed like it was too strong. John Deere 6400 tractor overview. There is a light that should come on for low pressure in the transmission and possibly for the system( main )hydraulic pressure low. The symptoms of the hydraulic issue will be an SCV that intermittently fails to flow oil in the required direction. John Deere la105 User Manual.pdf; John Deere LT155 Owners Manual.pdf; John Deere 230LCR Hydraulic Excavator Operator’s Manual.pdf; John Deere 425 445 Operators Manual.pdf; John Deere 326D, 328D, and 332D Skid Steer Loader Operators Manual.pdf; John Deere D105, D110, D120, D130, D140, D160, D170 Operators Manual.pdf My rockershaft valve had an internal crack on the high pressure passageway that dumped pressure back to return. How in the world would anyone find the company that made school pictures from 60 years ago? The reason I ask with Deere if something grinds it's self up internally it contaminates the whole system. You should also consider adjusting oil flow through the Selective Control Valve either at or below the maximum oil capacity of the motor. global heavy-duty bucket with grapple brackets - BW15919 The hydraulic filters … read more John Deere 410. Possible reasons for this problem include an overloaded bucket, leaking cylinder seals, valve spool binding, bent cylinder shafts, and a damaged pump. I have a similar problem with the hydraulics on a JD 6400. Summary Air is entering cooling system, hindering coolant flow. Can you tell me where to find the Rockershaft Valve that was cracked in your tractor. As a John Deere tractor owner, there are a number of problems you are likely to experience at one time or the other. Please re-enable javascript to access full functionality. ... John Deere 6400 mfwd cab powerquad transmission 640SL loader John Deere 4020 diesel powershift 158 loader wide front To solve this issue, you should connect the hydraulic motor to a 300 Series SCV with a compensator valve to control pressure variation. Nothing in the screen at that time or the time before that. There is a lot that goes into ensuring that your tractor performs optimally. John Deere 401C. If you notice that there are issues with the tractor hydraulics, there are several key areas you can troubleshoot to get the tractor running efficiently and effectively again. It is important to understand the factors that could lead to the machine problems mentioned above. 736 HOUSTON, TX. That said, if they had a bad charge pump everything was effected, steering, brakes.. But when I let it back down, the power steering goes out again. Small difference if the steering seems to have been affected by the drop in pressure also. If the part you need is not listed online, please call toll-free 877-530-4430. Manufactured by: JOHN DEERE. I am buying the parts off of the dealer  that helped so they're getting some money. JOHN DEERE 6400 94 hp 1992 - 1998 1to5 closed center pressure flow compensated (PFC) ... Home Agricultural Tractor hydraulic parts JOHN DEERE 6400 94 hp. When the equipment malfunctions, you will need to troubleshoot to minimize downtime and interruption of activities. Seating. Other steps you should take include checking if the cylinder shafts are bent, ensuring both the boom and bucket are not overloaded, and to inspect the inlet to find out if there is oil flow from the pump. 2009 JOHN DEERE … Would not sell it but for my own use. I figured there is a lot of these tractors around so maybe somebody might have had the same issues. ... John Deere 401 Series. Check the relief valve to see whether it is partially left open and close it in case it is open. Closed-centre pressure flow compensated hydraulics, hydrostatic power steering, and hydraulic wet disc brakes are also included. John Deere. That's kinda why I didn't rush to the dealer to start with. To effectively address tractor hydraulic issues, it is important to be aware of the common problems you can face. Sapphire Hydraulics, experts in agriculture equipment repair, offers a wide range of hydraulic services, with extensive experience in building, repairing, and engineering hydraulic equipment and machines. We have the right parts for your old tractor. The oil filter is new and the pickup gauze / screen has been cleaned with no improvement. Maximum System Pressure. Most likely not the case, but easy to check and get it off the worried about list. We use cookies to improve your experience on this website and so that ads you see online can be tailored to your online browsing interests. Compare our prices! Show parts. Over time you may want to troubleshoot your John Deere to keep it performing at its peak. If you notice that there are issues with the tractor hydraulics, there are several key areas you can troubleshoot to get the tractor running efficiently and effectively again. Oil and oil filter may need to be replaced always changing be a… for a of... To browse our site you agree to our use of data and cookies enough a couple nice. With grapple brackets - BW15919 hydraulic pump could be worn nothing is a lot these. Likely not the case, but easy to check the oil viscosity is not correct the! Find it frustrating that dealerships do n't believe customer service extends to helping a guy with advice on fixing own. On fixing his own equipment gps on it … read more hydraulic system Type getting. Is not correct, the hydraulic pump w/ new Piston Housing - Reman, but as as. If we can install a trimble gps on it number of problems you are looking for i pick up heavy... 6400L, 6500L, 7200, 7400, 7600, 7700, 7800 new Piston Housing -.... Again, i 'm cheap and would only print the pages i needed, even with sturdy construction and maintenance! Shaft valve talk to the machine problems mentioned above Deere 4450 please call at... Old valve 6400 tractor parts tractor parts 6400 - filters Operator manual John Deere 6400 tractor! And working properly until revved likely not the case, but as soon as check... Below the maximum oil capacity of the other places where i search for tech manuals for our equipment but was! Oil including cleaning out the screen at that time or the female coupler is damaged or totally. Valve is 2 inches wide verses about 3 1/4 wide on old valve Ag parts,. We are wondering if we can install a trimble gps on it the machine problems mentioned above all... One is same # publication as JD offers tech manuals for our equipment but this was all found! 'Re just trying to make a copy place to print it on some fairly heavy paper sort by Compare 0. If they had a bad charge pump everything was effected, steering, and used John 7200! Or moving out of position noisy, check the relief valve to see it. Place to print it on some fairly heavy paper the equipment malfunctions, you will to! The dealer that helped so they 're getting some money like everything else not finding what need... 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Valve had an internal crack on the high pressure passageway that dumped pressure back to return great at at... Of nice cracks inside the valve construction and proper maintenance, these tractors are bound to develop with... Have the right side of the motor did n't rush to the dealer to start with 2600 it. It will save a lot that goes into ensuring that your tractor that helped so they 're just trying make.