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three-point question?

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Tom Whitehead

10-04-2006 21:08:39

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Hi folks,
what I was wondering, is if all three Point Hitches are the same as the Ferguson system? because I understand that they have a feedback through the top link that controls the hydraulics. so the depth of your plow remains constant. and if they're not all the same as the Ferguson system, do I need that feedback system? I don't anticipate doing anything more than brush hogging, or blading.

Thanks folks, Tom

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souNdguy

10-05-2006 07:09:53

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Re: three-point question? in reply to Tom Whitehead, 10-04-2006 21:08:39

One other thing that was mentioned... The ferguson draft control was not meant to keep the plow at a constant depth.. it was used to maintain a constant draft on the implement.. thus the plow depth could change depending on soil conditions.. however the draft would more or less remain constant.. etc.

Soundguy

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Bob

10-04-2006 21:25:06

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Re: three-point question? in reply to Tom Whitehead, 10-04-2006 21:08:39

You are wondering about "draft sensing".

What tractors are you considering?

Some tractors do this with the toplink, others with a torsion rod setup on the attachment point for the bottom arms.

Anyhow, the main purpose of draft control is for plowing.

Some folks DO use draft control for blading, however I think the blade does better work with the lift in POSITION CONTROL, rather than DRAFT CONTROL.

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Tom Whitehead

10-04-2006 21:49:24

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Re: three-point question? in reply to Bob, 10-04-2006 21:25:06

, well, that's a good question. I'm wanting to get a tractor of some kind. but I don't know anything at all about the three point system, except what I've read here. and I've had a little bit of experience too , but just blading. what I remember is that there are two levers on the back, one for position, and I think the other was a float. But I'm not sure. a lot of the tractors that I've seen don't have a three-point on them at all, so I was thinking about adding one.I have also located a case model VA. that has an aftermarket hitch on it. But I'm not so sure now whether I want to go through the trouble of adding one, because I'm not so sure how the whole thing works. if the position control is a constant pressure set up, that it's probably doable. I don't know much about the Case VA , if it's a homemade unit it may not work at all,if somebody's just put a cylinder and a spool valve on It. thanks, Tom

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Bob

10-04-2006 22:40:29

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Re: three-point question? in reply to Tom Whitehead, 10-04-2006 21:49:24

"Position Control" is simply a mechanical feedback mechanism that makes the 3-point return to a pre-set depth each time you lower the implement with the control lever.

There are LOTS of home-made or "jobber" 3-points around that simply use a double-acting valve to control the depth, as judged by the operator, and folks seem to get along fine with them.
A mechanical stop can probably be rigged to stop the lift's drop each time at a predetermined point.

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Tom Whitehead

10-04-2006 23:19:33

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Re: three-point question? in reply to Bob, 10-04-2006 22:40:29

thanks Bob,

Well, I'm a lot clearer about things now. It wouldn't be hard then to make a three-point, and added on about the same time I am doing the front end loader, and the belly blade, and the roll bar, and whatever else I can think of.

Thanks, and best wishes, Tom

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Bob

10-05-2006 00:48:05

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Re: three-point question? in reply to Tom Whitehead, 10-04-2006 23:19:33

Here's a link to how ONE outfit makes coversion 3-point hitches... don't see CASE listed, though:

Saginaw

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