Universal Mounting Frame Differences

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Shane Nelson
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Universal Mounting Frame Differences

Postby Shane Nelson » Wed May 24, 2017 1:06 pm

I recently acquired another UMF with the purchase of a fast hitch. The man told me it came off a later Cub. I drug out another UMF I had in the shed and got to noticing a little change. The rod is bigger on the newer one where the yoke/nut is on the newer one. The older one is tapered and the nut isn't there, someone took it off I reckon. The yoke is longer on the older one but beefier on the newer one even though it's shorter. The lift rod on the newer one has a hole and a pin sticking out of it. Anybody know when they changed these? What is the purpose of the pin and hole on the newer lift rod?
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Jim Becker
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Re: Universal Mounting Frame Differences

Postby Jim Becker » Wed May 24, 2017 2:33 pm

The hole and pin end of the lifting pipe was added on the left side for compatibility with the Fast-Hitch. Without it, the hitch and lifting pipe both need to use the same pin on the Touch-Control rockshaft. Evidently, the double bend of the lifting pipe extension was added later, the big locknuts even later. You may also find the keyholes where the tool bars attach to the mounting frames are not countersunk on the later ones.

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Re: Universal Mounting Frame Differences

Postby tst » Wed May 24, 2017 2:58 pm

the mounting frame with the lock nuts is the late style as the early ones were weaker at the ends and can bend

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Re: Universal Mounting Frame Differences

Postby Glen » Wed May 24, 2017 5:04 pm

Hi,
Here is a page from the 1965 Cub 144 cultivator owner's manual showing the left side lift rod made for the Fast Hitch lift. It is numbers 3 and 4 in the upper pic. If you don't need the rod for use with a Fast Hitch, I know someone that might want to buy it. :)

http://farmallcub.com/rudi_cub/www.clea ... age-11.jpg

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Re: Universal Mounting Frame Differences

Postby Shane Nelson » Thu May 25, 2017 6:27 am

Thanks Jim, Tim & Glen for your feedback. Jim I looked at what I have and the countersink on this later one is no where near as deep as the older one but it is there. Tim, I have a couple older ones that are bent where you say. Glen, I do intend to use it on the Cub the hitch is going on. I may even be converting one of my older ones to look like the later ones :D
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Re: Universal Mounting Frame Differences

Postby Super A » Thu May 25, 2017 6:48 am

Chipmaker wrote: The rod is bigger on the newer one where the yoke/nut is on the newer one. The older one is tapered and the nut isn't there, someone took it off I reckon.


The older ones with the taper didn't have a jam nut on the like the newer ones.

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Shane Nelson
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Re: Universal Mounting Frame Differences

Postby Shane Nelson » Thu May 25, 2017 8:28 am

Here's the minimal countersink on the later one.
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Shane Nelson
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Re: Universal Mounting Frame Differences

Postby Shane Nelson » Thu May 25, 2017 8:30 am

This later one does NOT have grease fittings on it. The boss is there for the tapped hole (circled it in red) but neither side has a grease fitting hole. Here's photos of the later without and the older with. Why would they not put grease fittings in? Save money? Grease fitting man on vacation that day?
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Re: Universal Mounting Frame Differences

Postby Jim Becker » Thu May 25, 2017 12:15 pm

Chipmaker wrote:Here's the minimal countersink on the later one.

Looks like that minimal countersink may have been added by a tapered nut when an earlier tool bar was attached.

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Shane Nelson
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Location: Oak Ridge, N.C.

Re: Universal Mounting Frame Differences

Postby Shane Nelson » Thu May 25, 2017 12:18 pm

Jim Becker wrote:
Chipmaker wrote:Here's the minimal countersink on the later one.

Looks like that minimal countersink may have been added by a tapered nut when an earlier tool bar was attached.

Why did they get away from the tapered nut?
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Re: Universal Mounting Frame Differences

Postby Jim Becker » Thu May 25, 2017 1:51 pm

Chipmaker wrote:Why did they get away from the tapered nut?

I have nothing that says. My guess is the same for both this and the missing grease fittings. It saved some money and nobody would notice.

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Re: Universal Mounting Frame Differences

Postby tst » Thu May 25, 2017 4:52 pm

when they changed from the old style to new style the nut became a normal flat nut

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Re: Universal Mounting Frame Differences

Postby Stevetractor » Thu May 25, 2017 7:45 pm

Not to hyjack the post but... :lol: I went to put my cultivators on my recently rebuilt 68 today and ran into something interesting. Figured it would be easy as I've used the same setup on my 52 for 15 years. First thing I noticed front gangs were a bit out of level front to back. No problem, losenend up jam nuts on the universal frame and adjusted the yokes to level. Since I'm a bit fussy, flipped all the shovels to get even lengths and got it just right. Well then on with the rear gangs. Well they were about 5 " higher than the front??? Lucky I have some spares around and the pressure rods were about 6" longer. I'm guessing maybe these were off an A at some point. The other difference in them was the rear Cub pressure rods are shaped like a hook on the bottom where they hook in the gangs. These just were bent on a 90 degree. These seem factory as they were complete units. Anyone ever run into this? Have to park both tractors side by side and measure rear lift height. Was this ever changed over the years? The lift rods from the touch control are both original and in good shape. Sorry I'm so long winded. Opinions?

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Re: Universal Mounting Frame Differences

Postby Jim Becker » Thu May 25, 2017 11:29 pm

The pressure rods with the 90 degree bend came from something else.

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Shane Nelson
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Location: Oak Ridge, N.C.

Re: Universal Mounting Frame Differences

Postby Shane Nelson » Fri May 26, 2017 6:45 am

I looked at the UMF on Walt (pay no attention to the blue paint, I didn't know about the pigment shortage because of the war until Jim Becker told me that and only the very early ones are blue, these will be red when it comes to restoration time). These are the later style but they have the grease fitting on each side.
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