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8000 series hydraulics
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190 driver View Drop Down
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Joined: 05 Aug 2011
Location: MN
Points: 35 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 190 driver Quote  Post ReplyReply Direct Link To This Post Topic: 8000 series hydraulics
    Posted: 27 Nov 2025 at 10:57pm
Do 8000 series tractors have a priority circuit for the remote outlets?   Everything I find indicates not. I was thinking an 8050 would be a nice spraying tractor but I obviously don’t want to lose flow to the sprayer pump when lifting or lowering a boom. It seems other brands of that era had priority.
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Joined: 21 Mar 2019
Location: North Carolina
Points: 651 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 8070nc Quote  Post ReplyReply Direct Link To This Post Posted: 21 hours 55 minutes ago at 7:40pm
Since no one has answered you i take a stab. Its been my experience if i set the flow control on that circuit to just enough flow to run the pump it will aleviate that problem. Or aneedle valve in the line to the pump might be easier to adjust. I made extensions for the rods that turn the flow controls to come to the front of the seat. Makes it easier to adjust flow control
1984 80780
1957 D14
DES 300 with 25000 engine
616 tractor
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 22246 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 20 hours 6 minutes ago at 9:29pm
That was the intent and design of the remote valves. Within reason, each one is prioritized so to speak, instead of just one. Your results may vary.
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darrel in ND View Drop Down
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Joined: 22 Nov 2009
Location: Hebron, ND
Points: 8752 		Post Options Post Options   Thanks (0) Thanks(0)   Quote darrel in ND Quote  Post ReplyReply Direct Link To This Post Posted: 9 hours 31 minutes ago at 8:04am
I sprayed a lot of acres with a 7580 and a pull type wheeled sprayer in the past. Had the flow control on the spray pump turned down to where it ran the pump perfectly without returning much to the tank. I could throttle back to go through washouts, and raise and lower the booms, and it didn't affect the pump pressure at all. Darrel
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