Adding hyd. outlet to Farmall M

John e.c.MI · Jul 1, 2009

I would like to add a single acting outlet to our M. It has a belly pump on it with two pipe elbows coming out the right side of the bell housing on the left and one on the right. All just have plugs in them now. Is there an easy way to do this? What kind of pressure did these tractors put out? I would like to be able to use my rotary rake on this tractor.

TractormanNC · Jul 1, 2009

Choose any one of the connections. All are single acting. Add a hose and quick coupler to the rear and you are done. Early ones were about 400-500 PSI, later ones went up to about 800 PSI.

Allan in NE · Jul 2, 2009

Back in the day, there was no such thing as a "quick coupler".

Every time a guy hooked or unhooked and implement, ya swapped the hoses for the plugs.

Geeze, ya make me feel old! :>)

Allan

Leroy · Jul 2, 2009

One is a delay operating line for rear guangs on a cultivator, you do not want to get that one but either ones for the front guangs will work OK. Do not remember from our H the one we hooked into for the haybine. Quit hay in 81 and traded the H for a larger tractor.

Allan in NE · Jul 2, 2009

Who ever started that silly rumor? All three are the same lift and are fed fed by the same pressure.

The rear facing port on the left side drops via the second detent on the lever is the only difference.

Allan

john d · Jul 2, 2009

Well....if you"re close enough sometime to watch my M, SM, or H lift on two implments connected to the front and rear ports, you"ll see the front one lift first, and then the rear one. I don"t know if ALL Farmalls of that era came with the delay, but all I ever ran were set up with it, and they did it without external attachments to provide delay.
That"s the way it worked all those years when we cultivated corn. Pull the rod, the front gangs lifted, and then the rear gang lifted within inches of the same spot when traveling in 4th gear.
We utilized that feature when using the corn planter, also. The planter had a Midwest harrow mounted on it, and the harrow lifted first, since it was connected to the front port. By holding the rod in the up position, the planter lifted automatically at the same location when we got to the end of the field. You"re correct about lowering the implements. Pushing the rod to the first detent dropped the harrow, and all the way forward dropped the planter.

Janicholson · Jul 2, 2009

To the best of my Cultivating Experience remembering. The rear is as described for dropping (detent on the feel of the control rod) but the lift delay was either a function of cylinder size or a restrictor screwed into the line. (1.5" long brass coupling looking item Female 1/2"npt on one end, male on the other.) A smaller cylinder lifting about the same wt. will lift last in a paralleled Hydraulic system. JimN

john d · Jul 2, 2009

The delay on mine operates as long as the loads are even close to being similar. With a VERY light load on the rear port, it does have a tendency to raise early or simultaneously with the front. With a 3" cylinder on the planter harrow, and a 3" cylinder on the planter, the timing is a perfect delay in 4th gear. The cultivators worked the same way. Back in the 50s, we ran 2-row units on the H and M, delay was perfectly timed in 4th gear. Four-row unit we used in the 60s and 70s worked the same way.

Anonymous-0 · Jul 2, 2009

Allen is correct, lift is the same on all three ports, it is the drop on the one rear most port that can be delayed if you are clever enough to feel it as you are pushing lever forward. IH offered a seperate valve for a delayed lift. Have had hundreds of these pumps apart.

Adding hyd. outlet to Farmall M

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