First of all no doubt your Deere is closed center. In a closed center you have high pressure oil on standby. All valves leak. They have to other wise they would be like pipe plugs. This leakage will tend to move to the base end of the cylinder. So it is common to closed center systems.. When I worked for Dana and Dana owner Gresen we had some closed center valves that had internal anti-drift cartridges to help prevent this.So what you want to do is add a check valve. I would think a good brand of pilot operated check valve would fill the bill.
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Today's Featured Article - A Lifetime of Farm Machinery - by Joe Michaels. I am a mechanical engineer by profession, specializing in powerplant work. I worked as a machinist and engine erector, with time spent overseas. I have always had a love for machinery, and an appreciation for farming and farm machinery. I was born and raised in Brooklyn, New York. Not a place one would associate with farms or farm machinery. I credit my parents for instilling a lot of good values, a respect for learning, a knowledge of various skills and a little knowledge of farming in me, amo
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