The JD control valves are likely setup for closed center and odds are 99.999999% that the aux pto pump is open center. The valves maybe convertible to open center and a relief pressure of 2250 set. Some of those JD backhoe valves have relief valves incorporated into them. What kind of tractor is the backhoe mounted to? If it's a deere an aux hydraulic pump is not required. The tractor will have more than sufficient capacity in flow, cooling and storage. What size pump, tank and cooler have you purchased?
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Today's Featured Article - Stories From Old Farmer - by K. Pratt. Old Farmer, a.k.a. Dale Jensen began posting messages to our discussion forums at the grand age of 75. With extensive knowledge of farming and tractors, he valued the past and the ways that went with it. He shared these values with us until shortly before his passing. I spoke with Dale in his last days and requested his permission to share some of his stories with the readers of our magazine. He agreed, and provided the
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