The pressure at the back end SCV valves is measuring 2200 psi when it should be 2900 psi. For the female coupler, internal seal failure may cause the male hose tip not to open, causing female coupler failures. For this problem, consult your John Deere dealer. John Deere 6400 Lift Problems. Please consider supporting us by disabling your ad blocker, John Deere Tractor Hydraulics Troubleshooting Guide, The 10 most valuable teams in Europe have never been relegated, The Unexpected Link Between Oral Health and Overall Wellness, How Apple Cider Vinegar Can Be Used For Immune Booster. When it is cold the hydraulics work good but … read more will not always move when put into gear. While some of these issues may be a result of minor problems that you can address on your own, others will require that you see a John Deere Dealer. Hydraulic System Type. The symptoms of the hydraulic issue will be an SCV that intermittently fails to flow oil in the required direction. Here are two common hydraulic issues: Signs of this problem include the inability of the tractor to maintain the pressure of flow when steering or operating hydraulic functions. You must log in or register to reply here. Hello, I have just purchased a JD 6400 which has some fire damage. 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. Backhoe issues also make it to the list of common problems. Here are some of the common problems and possible causes. The Rexroth pump was removed from the tractor and opened to find that one of the saddle bearings on the squash plate was damaged / partially missing. Small update. Joined: Aug 11, 2013 Messages: 15. To effectively address tractor hydraulic issues, it is important to be aware of the common problems you can face. Not sure where the missing pieces have gone to :) I will send on a photo of the bearing later. John Deere 6400 4x4 CHA, with John Deere 640 loader, quick tach bucket, pwr quad, RH reverser, 2 remotes, new oil cooler, water pump, and loader cables, 16.9-38 rear tires, 12.4-28 front tires, 2nd owner, 7116 hrs. John Deere 6400 Electrical Problems. In case the system pump is noisy, check the oil level and refill as required. To keep your tractor hydraulics in perfect shape and working properly, you should work with a reliable hydraulic repair company. When the backhoe dipper stick does not rise or rises slowly, check if the dipperstick and bucket are overloaded, oil flows from the pump, if the cylinder shaft is bent or if the pump is damaged. John Deere 6400 Problems. The 6400 series uses a pressure, flow, compensated hydraulic system (PFC). Customer Service Hours 8am-12pm & 1pm -5pm M-F CST Phone: 331 200-5011 I recently purchased my first tractor, a John Deere 950 with a front end loader. The relief valve could also be damaged. Up for online auction is a John Deere 6400 cab tractor Equipped with right hand reverser and Power Quad Transmission. Search our parts catalog, order parts online or contact your John Deere dealer. View Profile View Forum Posts ... john deere 6400 hydraulic pump. tractor runs and shifts great. There is smoke coming out the exhaust when its turning so ive cancelled out a diesel problem! However, have two hydraulic problems. Adjusting the oil flow will help to keep the hydraulic oil from overheating. 2017 JOHN DEERE 5100GN MFWD Tractor. 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. There is a lot that goes into ensuring that your tractor performs optimally. Jd 6410 Problems. 1291 TIPTON, CA. I have a john deere 6400 with starting problems it turns over very slowly even with assistance of another battery it started for 15 seconds and cut out agin as soon as the jump leads were removed. You should also consider adjusting oil flow through the Selective Control Valve either at or below the maximum oil capacity of the motor. Check the relief valve to see whether it is partially left open and close it in case it is open. ... Find John Deere 6400 MFWD Tractor for Sale . In case the system pump is noisy, check the oil level and refill as required. Resolving the problem will involve checking whether the male hydraulic tip has failed or the female coupler is damaged. Low system-pump oil flow may be as a result of air leaks in the pump inlet line and fittings. Possible reasons for this problem include an overloaded bucket, leaking cylinder seals, valve spool binding, bent cylinder shafts, and a damaged pump. John Deere 6400 Hydraulic Screen . The oil was very milky looking. Located for inspection and pickup at 105 S 500 E LaGrange, IN 46761. The John Deere brand is known for manufacturing sturdy tractors that deliver dependable performance. If this is the problem, you should replace the parts as and when necessary. One of the problems you can experience with the machine is slow and sluggish operation due to low hydraulic oil temperature or a hydraulic system that is operating near or at relief pressure. When I purchased the tractor the FEL action was very sluggish. However, even with sturdy construction and proper maintenance, these tractors are bound to develop issues with their hydraulic systems. John Deere Tractors Discussion Board: 2440 Hydraulic Problem [ Expand] [ View Follow Ups] [ Post Followup] [ Return to Forum] Posted by FrankT on July 31, 2004 at 07:28:12 from (209.163.103.53): I have an older JD 2440 that runs great. Should also consider adjusting oil flow may be as a John Deere equipment great! 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