Farmall 100, hydraulics question

440roadrunner · Nov 28, 2009

I recently acquired a Farmall 100 with some kind 'o loader on front. The added front drive pump is a mess, and looks to me like it could use a rework at anytime

I was already thinking of tapping into the onboard hydraulics and doing away with the front drive pump, so questions:

I came across this:

http://cgi.ebay.com/Hydraulic-By-pass-block-for-Farmall-Super-A-C-Super-C_W0QQitemZ300371138669QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item45ef83d86d

The auction mentions "all ....etc... with or without a "fast hitch." How do I determine just what hitch this is? (I can post a picture, when I first got it I thought it was a 3 point!!)

Further questions may follow with pictures---it's missing some of the hardware/ linkage, not the least of which is the large main link from the fender mounted shaft up forward to the unit under the tank. Also, one of the control link rods is missing, for unknown reason.

Jg20601 · Nov 28, 2009

My 140 has a 1 point fast hitch system which may be similar to the one on the Farmall 100. There is also a two point fast hitch on some H and M models that converter tangs are sold for to hook up a cat 1 3 point implement. All the implements for my one point fast hitch have a pointed end with a notch. Pictures of what you have would be helpful.

440roadrunner · Nov 28, 2009

I'll post some tomorrow. Too dark and rainy right now!!

Brian2 · Nov 28, 2009

My SuperA has a loader that uses the factory pump. Pressure comes off the manifold on the side where the pipes come and go from the Touch Control to the pump. There is a resovoir on the side which drains into the units fill port on the other side of the TA unit. For my setup, you have to ether have the Touch control unit working to put it into high pressure mode.

440roadrunner · Nov 30, 2009

OK, what is this a "single point", a "fast hitch", or just what?

IN this pic you can see that the long link from "the box" to the fender mount shaft is missing. If someone can give me an eye--to--eye length and show me what it looks like, I could make that. Also, what does the spring and the second pivot buried to the rear do?

Below, we see the rear shaft, so what does this make this unit? I have no idea what the extra piece welded to the shaft is. You can see there's a horrid drawbar someone "built"

Below we see the quadrant. What do these do? One is lift, the other equalize? The control rod for the right hand side lever is gone, so I"ll have to make one of those

Below, right side of "the box." If there's any linkage that belongs on there, , it's gone. Anything needed there?

The pump. Not much to say there, I guess

Below is the right front steering arm. Can you rotate these or heat / bend them to get them away from the tires?

Pete7 · Nov 30, 2009

Hi...From the pictures, it looks like your tractor had a fast hitch on it at one time. I say that because the rear rockshaft (picture 2)is the type used on the tractor with a Fast Hitch. If you want to hook up the loader to the tractors hydraulic system (instead of the front mount pump) you would need a by-pass block. Picture 4 shows the hydraulic manifold and what you call the box (Touch Control Unit). The by-pass block fits between the box and the manifold.
The rod that connects the rear rockshaft to the front left rockshaft(on the box) came in at least two types. One type used a spring to help absorb shock and that type was used with the Fast Hitch system The other rod type was similiar but without a spring. I see both types on Ebay all the time.
The right front rockshaft was used to lift implements like a snowplow, front cultivators or planter.So linkage depended on the implementbeing used.
Do the steering arms actually rub the tires? Are the tires too big? Is the steering arm bent already? If the arm isn't bent, I would not heat or bend it.
Pete
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Jg20601 · Dec 5, 2009

It looks to me that your tractor may have had the fasthitch system at one time. On the left side there is a shaft missing - you may be able to find one used the correct length.
On my tractor the left lever, closest to the speed lever, moves the shaft you are missing to raise or lower the implement. The right lever would adjust the pitch of the plow or raise the front cultivators.
The first thing is does the factory installed pump you showed work and move the arms?
And about the tire hitting the arm - does it do that on both sides?
Will try to get pics of my 140 system.

Jg20601 · Dec 5, 2009

If you get the hydraulics working correctly, there is a kit you can buy to convert a fasthitch tractor to a 3 point. A bracket with a liftarm attaches to 3 bolts where the homemade drawbar is bolted on. these kits are more commonly sold for cubs and super A tractors - but I am sure they make one for the 100.

440roadrunner · Dec 5, 2009

Thanks, all. So now I know. Both the fasthitch arms that are connected together work. The one connected to the other control quadrant (unhooked) I haven't had a chance to try--it's buried under the box.

CAN SOMEONE give me a length C-C on the big link that connects the arms on the box to the shaft on the fenders? At least I can get that much hooked up.

No, both arms rub the tires. One reason I asked was for the future possibility of wintertime front chains for steering. However, with the weight of the loader---it is very hard to steer---I probably won't need 'em.

NEXT QUESTION. I'm already thinking of power steering. Is there any good junkyards likely to have some of the "inline" steering boosters that you put in the steering column? This thing is VERY hard to steer with the loader.

Farmall 100, hydraulics question

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