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D-17 question
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Hunt4Allis View Drop Down
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Joined: 13 Mar 2018
Location: Ohio
Points: 1160 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Hunt4Allis Quote  Post ReplyReply Direct Link To This Post Topic: D-17 question
    Posted: 09 Apr 2020 at 6:50am
I have two hydraulic lines at the back of my d-17 and one of them comes from the middle of the tractor transmission area.
What is the purpose of having two lines?
Thanks Matt
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PaulB View Drop Down
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Joined: 12 Sep 2009
Location: Rocky Ridge Md
Points: 4727 		Post Options Post Options   Thanks (0) Thanks(0)   Quote PaulB Quote  Post ReplyReply Direct Link To This Post Posted: 09 Apr 2020 at 6:52am
Return line from the "Transport Valve". 
If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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Joined: 13 Mar 2018
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Points: 1160 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Hunt4Allis Quote  Post ReplyReply Direct Link To This Post Posted: 10 Apr 2020 at 4:31pm
Ok, so what's the advantage of having this compared to just a 1 line hydraulic type system
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Joined: 13 Mar 2018
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Points: 1160 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Hunt4Allis Quote  Post ReplyReply Direct Link To This Post Posted: 11 Apr 2020 at 7:25am
I guess what I'm asking is using that second line necessary on certain implements or what?
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DrAllis View Drop Down
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Points: 20485 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 11 Apr 2020 at 7:37am
The optional "Transport valve" was part of the "Traction Booster" system. If you had a pull type disc or plow (with a special TBoost drawbar), this valve (when adjusted correctly) allowed a certain amount of hydraulic pressure to go to the lift arms first (for increased traction), and then to the hydraulic ram on the implement to lift it for transporting. So many of these valves were never even used for that purpose. They just happened to be added onto the tractor as it was being built in the factory.

Edited by DrAllis - 11 Apr 2020 at 7:56am
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Joined: 13 Mar 2018
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Points: 1160 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Hunt4Allis Quote  Post ReplyReply Direct Link To This Post Posted: 11 Apr 2020 at 8:19am
Awesome thanks for the info 👍
This would not come into play when using my three blade plow would it?
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Points: 20485 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 11 Apr 2020 at 5:45pm
Fully mounted? NO.   Semi-mounted or pull type with special drawbar ? YES.
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Points: 1160 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Hunt4Allis Quote  Post ReplyReply Direct Link To This Post Posted: 11 Apr 2020 at 6:12pm
SC mounted
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