Have a 2009 9430 with only 2200 hours on it. Purchased the tractor this year. Have only used it for the past couple weeks for seeding. Great tractor but one odd issue with the hydraulic pump. It's a dual pump(78gpm). There has been a few times where ill be seeding then all of a sudden ill lose all my hydraulic flow 1,2,3,4 and 5. Which means im not able to steer either. Then all of a sudden ill have flow again.. Have asked around and nobody can really give me an explanation and why that is happening. Could be a stuck valve but is happening way too often. Anyone else have ran into this issue on their 30 series 4WD? Should be a lot of life left on that pump. Hoping to get through seeding without any major breakdowns and have my local mechanic to take pump off and look inside to see what's going on.
JD 9430-Hydraulic pump issues
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