High flow "Pioneer" tips - The Combine Forum
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post #1 of 11 (permalink) Old 09-11-2019, 10:04 PM Thread Starter
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High flow "Pioneer" tips

Working on a project that I would like to get a little higher flow to the implement through the stock ISO "Pioneer" couplers on the tractor. Everything I can find to buy is rated at 10 to 12 GPM.


Anyone have a link to male tips rated at 20ish GPM?


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From what I've gathered from other new JD equipment and what seems to be a huge concern is "How big is the fridge" and does it keep your wobbly pops cold enough ??
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post #2 of 11 (permalink) Old 09-11-2019, 10:18 PM
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The pointed ends tend to flow more than the round ball style.

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post #3 of 11 (permalink) Old 09-11-2019, 10:44 PM Thread Starter
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The pointed ends tend to flow more than the round ball style.

Agreed, but Parker's 8010 poppet style tip is only rated at 12 GPM.


I thought I have seen tips rated at 20 GPM...

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From what I've gathered from other new JD equipment and what seems to be a huge concern is "How big is the fridge" and does it keep your wobbly pops cold enough ??
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post #4 of 11 (permalink) Old 09-11-2019, 10:45 PM
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I don’t know if this will pertain to your needs but my versatile tractors had hydraulic oil heating issues when running the air drill fan because of flow restrictions on the standard 1/2” couplers. I was able to run 3/4” hose from the scv block coupled with 3/4” high flow couplers. Completely eliminated the restrictions and heating. Now if it’s a solid scv block like on a deere which I’m familiar with, couldn’t you tie into it somehow bypassing the smaller couplers?
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post #5 of 11 (permalink) Old 09-11-2019, 10:45 PM
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The pointed ends tend to flow more than the round ball style.
And that is about as good as it gets unless you move up in size. As good as I know of. I do flow 30ish GPM through those. And they do fail at times and turn into check valves when getting pushed that hard.
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post #6 of 11 (permalink) Old Yesterday, 01:18 AM
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I don't suppose you have another circuit you could pair up and run the two circuits in tandem and in that case stick with the half inch pioneer ends and couplers. You would have to either run 4 hoses to the object being run or two larger hoses and then a T system at the tractor end to split each hose into two male pioneer ends.
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post #7 of 11 (permalink) Old Yesterday, 09:59 AM Thread Starter
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I don't need continuous high flow, only momentary. I am converting an old Letourneau scraper to hydraulics. I got the lift cylinder from Surplus Center for cheap but it is a little on the large side 5.5" bore and 60"+ stroke. I am just trying to get the response time to be reasonably quick so I ran 3/4" hose and large fittings. I will try a pair of poppet ends and see what happens.


If the ends are only rated at 12 GPM per minute but it is possible to shove way more than that through them, what is the 12 GPM ating for? 12 GPM with minimal pressure drop?

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From what I've gathered from other new JD equipment and what seems to be a huge concern is "How big is the fridge" and does it keep your wobbly pops cold enough ??
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post #8 of 11 (permalink) Old Yesterday, 01:34 PM
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Of course the 8010 tip will handle more flow.
When hooking on a flowmeter to test a tractor most older stuff only had 1/2 inch pioneer couplers.
I remember putting through 29gpm through them.
Now what the back pressure was I don't recall.
My experience with other branded compatible couplers hasn't been that great.
I always used pioneer 8010 if I could find them.
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post #9 of 11 (permalink) Old Yesterday, 08:32 PM
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Was flowing cheking a 8450 today with standared ends and got 17 gpm threw with no issue.
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post #10 of 11 (permalink) Old Today, 06:37 AM
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Here's an outside the box idea - what about removing the poppet, spring, and clip from the tip?

Put a bucket under it to catch the leaks when it's disconnected, and wrap it up well with a rag or use a proper rubber cap.

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