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Down pressure on my new Saginaw 3 point?

Y

Yooper Farmall

Member
Well, I still need to get my govenor tuned up on my "41 H, but jumped the gun last night and picked up a new Saginaw 3 point system, production number 2838. It has two way cylinders, any reason I might want to take on the added expense of plumbing the cylinders for down pressure? When would a person use the down pressure? I plan on pulling a snow blade, using a disc and probably a plow.
 
Down pressure as in a fast hitch is one of the handiest things in the world for knocking tires off rims. Sam
 
BINGO!!! We use a block of wood and down pressure on the drawbar with our Super C to break tire beads. Never failed to break one yet.

And down pressure is good for plowing snow or moving gravel; otherwise, the blade just kind of floats and glides up and over what you are trying to move.
 
Try it with the standard hydraulics. If in the future you find the need for down pressure, add the valves and other hose then.
 
I had a 3 point on my M for a little bit, and it didn't have down power. I never had any issues with my blade, or plowing, but if down pressure was an option, I'd probably use it.
 
(quoted from post at 12:36:30 12/16/10) It has two way cylinders, .
Click to expand...

you can take advantage of the 2 way cylinders for extra reservoir capacity if you decide you do not need down pressure. Depending on your control valve there are a couple ways it can be done.

karl f
 
In addition to the other suggestions, down pressure is handy when disking hard ground that the disk would just bounce over otherwise.

Mark W. in MI
 
Down pressure is great for moving rock, dirt, and other numerous things. Without the blade will just ride up and over things. I wouldn't be without it.
 
If your hitch is like the one on my M it will have pins through the upper lift arms. If you remove them the hitch will float. This is a good way of acheiving position control.

When you have the pins in place you will have down pressure. I have found the original Lift All valve is terrible in gaining any sort of control over the hitch where a double acting valve adds a bunch of control.

Hope that helps

Stumpy
 
If you have the standard hydraulics, you have to replumb them with a 2 way valve and a return to the reservoir, or get the factory "christmas tree" that is plumbed to your existing hydraulics. You cannot use 2 way cylinders without those modifications. You can, however use a vent in the down connection to the cylinder and use only one hose, but it will not give down pressure. You do not want down pressure for the plow or disk and possibly the blade. You can use two way cylinders, but they have to float. The hydraulics on your tractor are not as good as the ones on the 460-up, (maybe the 00 and 50 series, not sure) that allow you to return the implement to its previous position when lowering.
 
I don't think you care. We had a 340 years ago with down pressure and any time you push down on the hitch you push UP on the tractor and loose traction.
If you want more pressure on a blade, add weight.
 
Not many, if any, modern tractors with factory 3pt hitches have down pressure.

How have we gotten by without it for the past, oh, 65-ish years?

Down pressure is nice for certain things, but you need a two-way valve to take advantage of it. That's another $200+ in parts on top of what you've already spent.

Down pressure when plowing snow on a gravel driveway = a big pile of gravel in the yard that you have to shovel up and spread back out in the spring. You want to leave a little layer of snow to form an ice pack. Makes it easier to plow next time.
 
I bought the Saginaw hitch for my 1948 farmall H and plumb it for two way Hydraulics.It was pretty easy and well worth the few extra dollars to have it both ways.I plan on keeping the tractor,just a good move for me..All advise came from this site!....john
 
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