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| Tractor was setting a few years when we got it. Rockshaft Control valve block had a crack in it and spew’d oil on start up. We got another one complete used block off parts tractor. After installing it won’t build oil pressure on SCV’S . Upon inspection threw pipe plug hole in rear of tractor we found 2 streams of oil spewing down from block. So took it back off and had it rebuilt by John Deere tech. Put it back on and still does the same. Any ideas or anyone seen this before. Thanks for any response. Jeff | |
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JD 8640 Rockshaft Control Valve block
