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Ford Tractors Discussion Forum
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850 questions

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Joe)NYC)

09-07-2007 20:49:50




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I have been examining pictures I took when checking out ford 850 tractors. On a 1957 one I notice there what appears like a position/draft control on the right side of the seat. Is that what this is? When I tried to operate the 3 pt it was very sloooow going up. Does the handle have to be in a particular position to make the lift go up faster? More recently I looked at a 1955 850 which has what appears to be a diverter valve with 2 hoses coming out of it.(on the right side of the seat) However it doesn't have a position/draft(?) handle. Should it have one?Also on the 1955 the hydraulic pump is more square on the front part(than the 1957 model) and has a control KNOB on it with I think 3 positions. What is that used for? The 1957 pump is pretty much round end to end. What is the difference between these two and which is the better one to have? Thanks for all input.

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Jim.UT

09-08-2007 20:43:26




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 Re: 850 questions in reply to Joe)NYC), 09-07-2007 20:49:50  
The 1955 Hundred series came with the vane pump which has a square shape. Starting with s/n 66849 Ford started equipping tractors with the piston pump which has a round shape. Many of the original vane pumps have been replaced with piston pumps. My 850 (s/n 57804) still has it's original vane pump. I also have a spare vane pump and a spare piston pump on the shelf for "just in case".

The vane pump knob is called the Hy-Trol and is supposed to alter the flow of the pump to speed up or slow down the hydraulics of the tractor. But I've never noticed any change in hydraulic function when messing with that knob so I just leave it alone.

I can't tell you why you would see an 800 with no draft/position control lever. It should be there.

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Larry NCKS

09-08-2007 18:49:07




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 Re: 850 questions in reply to Dean, 09-07-2007 20:49:50  

Air Force One said: (quoted from post at 19:28:03 09/08/07) If your pulling like a disc or bush hog or blade...would the lever need to be in the up position?//I have always wondered this? thanks


Disc is a maybe. Bush hog and blade, you definately want the position control or up position.

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Larry NCKS

09-07-2007 21:12:28




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 Re: 850 questions in reply to jac, 09-07-2007 20:49:50  
Hi Joe,

All 850s were factory equipped with the draft/position control lever. Unless you are pulling a heavy load, such as a mounted moldboard plow, this lever should be in the position control, or up position.
The older tractor has the vane style pump which has an adjustable flow. The later is the piston pump, which Ford went to at some point during the hundred series production and to me is more desirable. Numbers of the vane pumps, which are NLS by Ford (CNH), have been replaced by the piston pumps.

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Joe)NYC)

09-08-2007 18:00:20




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 Re: 850 questions in reply to Larry NCKS, 09-07-2007 21:12:28  
Thanks Larry, I'll keep the notes with me when I go look at other machines.



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Air Force One

09-08-2007 17:28:03




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 Re: 850 questions in reply to Larry NCKS, 09-07-2007 21:12:28  
If your pulling like a disc or bush hog or blade...would the lever need to be in the up position?//I have always wondered this? thanks



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