Height of 3 point hitch

   / Height of 3 point hitch
  • Thread Starter
#11  
Adjustable length lift arms? Can you post photos of them? I have seen extendable lift arms, however they are for hooking up an implement and will retract if compression is applied to them. They are not designed to be used extended. However adjustable length lift arms are something I have never seen before.

This is from everything attachments. The vertical lift leveling assembly is the correct terminology. I should have said vertical lift arm to be clear.

1664750185394.png
 
   / Height of 3 point hitch
  • Thread Starter
#12  
I understand this as the vertical lift arm.


1664757420772.png
 
   / Height of 3 point hitch #13  
The fixed side is known as the side link, the adjustable side is the leveling arm or leveling box assembly. Not sure why one side is a link but the other is an arm. I am sure there are other regional names. The lift arm are the two lower horizontal pieces that attach to the implement.
 
   / Height of 3 point hitch #14  
Some of them dear Johns had square tubing with a solid bar inside it and the lift arm balls on the end of it. I never owned one. They did extend.
The 20 series and later had this, this was just for hooking up with. There was no way to keep them extended.
 
   / Height of 3 point hitch
  • Thread Starter
#15  
   / Height of 3 point hitch #16  
On my tractor I can manually adjust the lift arms to change the height on an implement and I can change the length of the top link to change the pitch of an implement. That being said where does one start at? I can lengthen the lift arms and shorten the top link or I can shorten the lift arms and lengthen the top link and get the same result. What do you use as the starting point?
In answer to "where does one start at", I would say start at the bottom with the implement in its operating position regarding angle front to rear. I would have the lift arms at the center of their travel to start with and then adjust the top link to achieve the desired angle front to rear. Then make adjustments to the lift arms and or top link length as needed to fine tune. Make sense?
 
   / Height of 3 point hitch #17  
Here's something else to add to the confusion. The majority of tractors have 3 pin locations to choose from where the top link attaches to the tractor.
As I understand it, the bottom pin hole should be used when hooking up to ground contact implements (plows, rotovators, disc's, etc)
The middle pin hole is for things like Bush hogs or fertilizer spreaders, etc. Offhand, I can't remember what implements the top pin should be used for.
Of course I could be way off, (and probably am), but thats how I usually set up my tractor 3ph
 
   / Height of 3 point hitch #18  
On my tractor I can manually adjust the lift arms to change the height on an implement and I can change the length of the top link to change the pitch of an implement. That being said where does one start at? I can lengthen the lift arms and shorten the top link or I can shorten the lift arms and lengthen the top link and get the same result. What do you use as the starting point?
If you have rear remotes on your tractor, you might consider a hydraulic top link. It makes it quick and easy to get extra 3pt lift without having to fool with different pin settings on the side and drag links.
 
   / Height of 3 point hitch #19  
If you have rear remotes on your tractor, you might consider a hydraulic top link. It makes it quick and easy to get extra 3pt lift without having to fool with different pin settings on the side and drag links.
Thanx bhdshfz6
Problem is my Massey is a 1976(?) model, long before 'them there fancy tractors' all you guys got now. I'm happy it has a cab type r.o.p.s., with a heater for the -30 winter snow plowing days (and the windows open for the +90 deg. haying days) lol. The rear remotes are used for the front end loader. Besides, why else am I going to have a reason to swear when I lose skin on my knuckles.
My favorite saying- Carry on as if your normal...
 
   / Height of 3 point hitch #20  
Here's something else to add to the confusion. The majority of tractors have 3 pin locations to choose from where the top link attaches to the tractor.

Often the multiple holes aren’t primarily to adjust the top link height, but to adjust the sensitivity, or range, of the draft control.
That is, the mechanism that measures the draft (or pulling force) is by pulling on a “lever” that’s part of the top link connection assembly. How the top link pulls on this connection is a measure of the draft. Where the top link is connected on this “lever” (top, middle, low) either multiples or reduces the measured force being sensed by the draft control… if that makes sense.
 
 

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