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Farmall & IHC Tractors Discussion Forum
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Three point with draft sensing

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Richard Fazio

06-03-2004 06:05:19




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I have an M with live hydraulics and I want to add a 3 pooint hitch to it. I don't mind spending the $800.00 or so it's going to cost complete, but I would like to have draft sensing also. I have not seen any unit with that feature. Does anyone know if three points with draft sensing are available? Has anyone tried adding draft sensing to a standard three point. I would think it could be done but don't know how well it would work.

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Richard Fazio

06-04-2004 07:14:10




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 Re: Three point with draft sensing in reply to Richard Fazio, 06-03-2004 06:05:19  
Ok so I guess I was dreaming. It just seemed like a simple divice on the 8Ns so I figured I could do it. I guess I'll stick with the pull behind plows and use the three point for everything else.



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Hugh MacKay

06-05-2004 18:15:41




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 Re: Re: Three point with draft sensing in reply to Richard Fazio, 06-04-2004 07:14:10  
Richard: Most of the top link sencing units today on small tractors, probably haven't changed a whole lot from those first Ford and Fergies. That is precisely what I was refering to on my least expensive pricing. Bear in mind I was refering to cost of enrire hydraulic system, as the draft control is engineered to the system, or vise versa.



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NDS

06-03-2004 15:40:14




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 Re: Three point with draft sensing in reply to Richard Fazio, 06-03-2004 06:05:19  
Draft control would be nice but the Saginaw works pretty well on most everything except moldboard plow without draft control. In fact with cultivator, planter, rotary cutter etc. I prefer the hydraulic stops on special IH cylinders I have to average draft control. Just slide collars on cyliner shafts to place you want down travel to stop and it stops at exact spot every time.



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Hugh MacKay

06-03-2004 14:00:48




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 Re: Three point with draft sensing in reply to Richard Fazio, 06-03-2004 06:05:19  
Richard: A draft controled 3 poit hitch will probably set you back about $5,000. and a good one closer to $10,000. You check with someone as to the percentage of the cost of a new tractor. I'll bet the engine is the only more expensive component. This is precisely why you can't find one on the market.



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Allan

06-03-2004 14:29:38




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 Re: Re: Three point with draft sensing in reply to Hugh MacKay, 06-03-2004 14:00:48  
Hi Hugh,

But, oh don't they work nice!!!

I haven't plowed a furrow since '82, but I can still feel that draft a bumpin' like it was yesterday.

Allan



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Hugh MacKay

06-03-2004 18:29:48




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 Re: Re: Re: Three point with draft sensing in reply to Allan, 06-03-2004 14:29:38  
Allan: Yes I did a lot of my plowing in sandy loam soils with 656 diesel, with 16.9x38 rear tires and a 510 plow 5x16. I ran those tires at about 14 to 15 lbs air. If one had a counter on his backside, would be the only way to keep track of the number of actions of the draft control. I did pull that same plow with 766 and 1066 some and was much less noticeable on the heavier tractors, but it was there. First time I ever plowed with the 656, I checked the under side of seat several times to see what was loose and bumping, man that thing was sensitive.

When I bought my 1066 new, an engineer told me that the hydraulics on these new Farmalls with lower link sencing, was second only to the landing gear on a 747 when it came to sophistication. I never did check his credentials, but have a gut feeling he knew what he was talking about. I rather doubt that anyone will be designing one for a Farmall M very quickly. Probably would never hit the top 10 in sales.

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Allan

06-03-2004 06:35:19




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 Re: Three point with draft sensing in reply to Richard Fazio, 06-03-2004 06:05:19  
Hi Richard,

Don't you think that it would be cost prohibitive?

You would have to have incorporate a torsion bar of some kind with it's accompying linkage/hydraulic interconnect system.

I just don't think it would be feasible for an old M.

Just my view,

Allan



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Richard Fazio

06-03-2004 12:04:03




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 Re: Re: Three point with draft sensing in reply to Allan, 06-03-2004 06:35:19  
That's what I'm wondering. How bad would it be? I don't really know what is needed. I know how it's done on my Ford N's. How is it done on modern tractors? A Torsion bar with hydraulic connections?



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Allan

06-03-2004 13:30:52




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 Re: Re: Re: Three point with draft sensing in reply to Richard Fazio, 06-03-2004 12:04:03  
Richard,

The system needs something tied to the load so that it will know how hard it is tugging.

Your Ns use that 'balanced spring' gizzmo behind the seat.

Anyway, something would have to "tell" the tractor to lift or lower the hitch depending on load conditions.

Allan



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Ben in KY

06-03-2004 12:57:33




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 Re: Re: Re: Three point with draft sensing in reply to Richard Fazio, 06-03-2004 12:04:03  
Richard,
Yes some sort of torsion bar attached to a hydraulic control. Some of the newer ones use electronic sensing, which gets broken off real fast.



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