A slip clutch and an PTO override clutch are two different things with different functions. What is shown in the video are overrun clutches. These do exactly what Neal described. But, a slip clutch only protects the tractor PTO drive line from large sudden impacts from an implement. Slip clutches do nothing to isolate the momentum of an implement from the PTO drive line and transmission and thus into the wheels.
I installed a quick hitch, which pushed my shredder shaft too close to length limit. I added an over-run adapter to the pto to add length and extra protection for the tractor. While not necessary, it was an inexpensive alternative and provided more security for the pto.
Everything you said is correct.... But even more important! each implement needs to slip/shear at different strengths. you would have to adjust the clutch each time you switch. implements...... or you'll find out your tiller takes more abuse than the impellers on your snowblower.
You might want to mention the use of a slip clutch in addition to a Pat's quick hitch or something similar which extends the Implement out further I think that's a slip clutch would make up the difference of the distance therefore eliminating the need to change drive shaft length. Another question is besides their geometry are these various kinds of slip clutches balanced well because some people have higher RPM ptos. I myself have a tractor that has a four-speed PTO it really flies in 4th I think it's something like 1250 RPM
The tractor end would result in A LOT of twisted shafts. The clutch should be closest to where the interruption of the motion occurs, the implement. The other points about the clearance at the tractor end, and the adjustment of the clutch for each implement would be problematic as well.
Totally agree, but that being said assuming that all implements have their own slip clutch or shear pins wouldn't it be an added advantage to have the clutch on the PTO for an extra precaution perhaps being set at the threshold of your very strongest implement and doing double duty as a shaft extender for use with a quick hitch setup I think it's a win-win especially since you can get them off of eBay for 60 or 70 bucks
Shear bolts/pins are a different means of doing the same thing: protecting the driveline. Shear pins snap when you hit something and need to be replaced. A slip clutch just slips when you hit something, and you keep going without the need to replace any pins or bolts. However, slip clutches must be maintained and should be loosened, “slipped,” and re-torqued every year to ensure they are functioning properly. Personally, I prefer slip clutches because the down time is controlled (in the shop once a year) rather than when out in the field. They are more expensive than shear pin drivelines up-front though.
I have one of those eBay specials slip clutch to go on a pto (female on one side, male on the other). I believe that that buddy was asking about. I have it on the tractor side of the pto on a 50hp belarus tractor. For a snowblower and brush cutter. Both have their own shear pin on the implement side of the shaft. It works great, and I definitely recommend it. It really meant for having one on each emplement (and at 100$ it doable) as long as you got 6 splin shafts on the gear box. Otherwise, you end up like me.
i have often been told that the main reason for a slip clutch is to protect the tractor drive train in case of shock loading (like if a tiller or rotary cutter gets jamed) so i have often wondered why thay dont have them internal to the tractor especially with how annoying it is to loosen manually slip and retighten pto clutches like the manuals say to do each season before use (to verify the clutch has not rust locked together )
A slip clutch and an PTO override clutch are two different things with different functions. What is shown in the video are overrun clutches. These do exactly what Neal described. But, a slip clutch only protects the tractor PTO drive line from large sudden impacts from an implement. Slip clutches do nothing to isolate the momentum of an implement from the PTO drive line and transmission and thus into the wheels.
I installed a quick hitch, which pushed my shredder shaft too close to length limit. I added an over-run adapter to the pto to add length and extra protection for the tractor. While not necessary, it was an inexpensive alternative and provided more security for the pto.
Everything you said is correct.... But even more important! each implement needs to slip/shear at different strengths. you would have to adjust the clutch each time you switch. implements...... or you'll find out your tiller takes more abuse than the impellers on your snowblower.
That is a great point.
Neal, thanks for the app. Me and the guys at work, we work at a Kubota dealership, have been really enjoying it.
You might want to mention the use of a slip clutch in addition to a Pat's quick hitch or something similar which extends the Implement out further I think that's a slip clutch would make up the difference of the distance therefore eliminating the need to change drive shaft length.
Another question is besides their geometry are these various kinds of slip clutches balanced well because some people have higher RPM ptos. I myself have a tractor that has a four-speed PTO it really flies in 4th I think it's something like 1250 RPM
Great info on the slip-clutch location!! Makes sense.
The tractor end would result in A LOT of twisted shafts. The clutch should be closest to where the interruption of the motion occurs, the implement. The other points about the clearance at the tractor end, and the adjustment of the clutch for each implement would be problematic as well.
Totally agree, but that being said assuming that all implements have their own slip clutch or shear pins wouldn't it be an added advantage to have the clutch on the PTO for an extra precaution perhaps being set at the threshold of your very strongest implement and doing double duty as a shaft extender for use with a quick hitch setup I think it's a win-win especially since you can get them off of eBay for 60 or 70 bucks
@@MikeDPlxztc if you want to risk a $20,000+ tractor and a $3,000+ implement with a $70 ebay clutch, go ahead. You were warned.
@@williamgaines9784 meh! No worries I paid $5,000 for my tractor about 20 years ago😆
@@MikeDPlxztc ✔
I don't understand about slip clutches. All my equipment has shear pins is that the same thing or not?
Shear bolts/pins are a different means of doing the same thing: protecting the driveline. Shear pins snap when you hit something and need to be replaced. A slip clutch just slips when you hit something, and you keep going without the need to replace any pins or bolts. However, slip clutches must be maintained and should be loosened, “slipped,” and re-torqued every year to ensure they are functioning properly. Personally, I prefer slip clutches because the down time is controlled (in the shop once a year) rather than when out in the field. They are more expensive than shear pin drivelines up-front though.
@@ProductiveRecreation I have not broken a sheer pin in about 15 years.
Very educational video Neal. Great explanation of over run clutches and slip clutches.
I have one of those eBay specials slip clutch to go on a pto (female on one side, male on the other). I believe that that buddy was asking about.
I have it on the tractor side of the pto on a 50hp belarus tractor. For a snowblower and brush cutter. Both have their own shear pin on the implement side of the shaft.
It works great, and I definitely recommend it. It really meant for having one on each emplement (and at 100$ it doable) as long as you got 6 splin shafts on the gear box. Otherwise, you end up like me.
i have often been told that the main reason for a slip clutch is to protect the tractor drive train in case of shock loading (like if a tiller or rotary cutter gets jamed) so i have often wondered why thay dont have them internal to the tractor especially with how annoying it is to loosen manually slip and retighten pto clutches like the manuals say to do each season before use (to verify the clutch has not rust locked together )
Because they need setup differently for each Implement
Hadn't thought about using the box blade as a platform for a winch. I'll have to keep that idea in my back pocket.