PTO shaft yokes

/ PTO shaft yokes #1  

Notforhire

Veteran Member
Joined
Nov 16, 2011
Messages
1,171
Location
Southwestern Virginia
Tractor
Kubota L47TLB
Why did the industry change from push button PTO yokes to the new style.
I'm referring to the ones that you need to pull the color back as you push in the opposite direction?
 
/ PTO shaft yokes #2  
I assume you meant to write 'collar' instead of "color", meaning the ring type.

I don't reckon that the industry hasn't changed so much as simply introduced a different style/type. Personally, I like the collar type but I have a few shafts with either type on them, both readily available where I'm at.

Are the push-button type disappearing in favour of the collar type by your observation?
 
/ PTO shaft yokes
  • Thread Starter
#4  
The color typo is courtesy of the auto correct program.

My understanding is that safety regulations in Europe required the change to the collar style. ( that I hate)

What makes the new style safer?
 
/ PTO shaft yokes #6  
IMG_0522.JPG


This is what I have done to make it easier to hook up the ring types. Pulled back the ring and drilled a 1/8 hole. Insert a clip or whatever, install on tractor, pull out clip. So much easier.
 
/ PTO shaft yokes #7  
I like the design of the collar type on the PTO shaft I purchased a couple of years ago. When you pull the collar back, it automatically locks in place and then snaps back when it is slid onto the PTO drive shaft. Now that's smart engineering and a welcome change! ;)
 
/ PTO shaft yokes #8  
I like the design of the collar type on the PTO shaft I purchased a couple of years ago. When you pull the collar back, it automatically locks in place and then snaps back when it is slid onto the PTO drive shaft. Now that's smart engineering and a welcome change! ;)
Do you have a link to it?
 
/ PTO shaft yokes #9  
The PTO shaft I had for the snow blower had the collar type. It was a PITA to retract the collar in cold wx - you know, cold grease and all that. I don't imagine the push pin type would have been much better. The PTO shaft for my Wally BX62S is the push pin type. Nothing is easy when everything is slathered in black grease.
 
/ PTO shaft yokes
  • Thread Starter
#10  
I like the design of the collar type on the PTO shaft I purchased a couple of years ago. When you pull the collar back, it automatically locks in place and then snaps back when it is slid onto the PTO drive shaft. Now that's smart engineering and a welcome change! ;)

This is what I have done to make it easier to hook up the ring types. Pulled back the ring and drilled a 1/8 hole. Insert a clip or whatever, install on tractor, pull out clip. So much easier.

Both good ideas.

I have some physical issues that made hooking up the shaft extremely difficult.
I replaced my new style with a push button unit.
I keep my distance from spinning shafts, so the protruding pin shouldn't be an issue.

Thank you Rick B. for the explanation, I couldn't imagine why OSHA didn't like the push button.
 
/ PTO shaft yokes #12  
Do you have a link to it?
Sorry, I don't. 'Wish I had. I purchased it new directly from a generic farm machinery dealer who has since gone out of business and the label has worn off the safety sleeve covering the drive shaft.
 
/ PTO shaft yokes
  • Thread Starter
#16  
Because when you end up using a LARGE pair of vise grips to push the button in you can hurt yourself.

You shouldn't use the vice grips if the shaft is spinning. I think there is a OSHA tag that warns against that.
 
/ PTO shaft yokes #17  
I hate the "ring type". Pushing and pulling at the same time is a skill I'm still trying to master.
 
/ PTO shaft yokes #18  
I hate the "ring type". Pushing and pulling at the same time is a skill I'm still trying to master.

It doesn't matter either way for me.

The button type, you're using one hand's finger to push the button 'in' whilst supporting/wiggling/lining-up/pushing onto the PTO shaft. (cursing all the way OR [surprisingly] not)

The ring type, you're using both hand's fingers to hold the ring back whilst supporting/wiggling/lining-up/pushing onto the PTO shaft. (cursing all the way OR [surprisingly] not)
 
/ PTO shaft yokes #19  
I have always sprayed both shaft an collar with WD 40 and that seems to make coupling much easier.

It accomplishes 2 things, washes off any grit and softens the grease that is always there.
I also use this technique with hydraulic couplers.
 
 

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