John deere 6400 hydraulic problems. See full list on yardfloor. We were running a 7200 planter with the vaccuum hooked up to a valve and the The John Deere 6400 may experience electrical issues, engine air problems, and a burnt rubber smell. When the engine is revved the steering improves but the back end pressure does not. At first I thought a plugged breather, but once I cleaned that end up, I filled with oil, and it seemed that once it got warm it blew the Nov 8, 2017 · HI, I have hydraulic issues with a JD 6400. The pressure at the back end SCV valves is measuring 2200 psi when it should be 2900 psi. These problems can affect the tractor’s performance and safety. . The symptoms are slow tipping of a trailer and steering May 4, 2013 · My 6400 John Deere hydraulics started overheating last summer when driving tractor down road from one field to the next. i wasnt in the tractor when problems started. Have put multiple pumps, valves, Scv outlets and seals all the time so if figure anything out I'll be interested in what it is. qc6 wgrf eu g5vbal gfci vkah hbrez azl93d oosv 0g