Overrun clutch or slip clutch?

fpappal

Member
I thought it might be easier to just start a new post on this topic. I want to try an old 5ft finish mower I have with my model M. Should I use an overrun clutch that attaches to the PTO on the tractor ($60) or a friction/slip clutch that attaches to the mower ($160)? I have been using a different finish mower with my MF135 for years and it has neither(maybe it should have something), but it does have a two stage clutch. The field I am mowing has no obstacles to worry about, no rocks, stumpts, etc.

Thanks.
 
I had used my M in the past on a 5 foot finish mower. It was an early Landpride when they got them from Italy. Came to find out it was pretty much the same deck as was on our JD750 compact !
Anyhow the M handled it fine. With the weird angle of the pto and how little room I had I did not run an overrunning clutch. If your brakes work good you can easily stop the finish mower as they do not have the momentum of say a brush hog.
The main reason I quit using it was my ground is usually wet and I was starting to get ruts from the tractor being so much heavier than a lawn mower.
You will not need a slip clutch as a finish mower should have a belt drive and those can and will slip if you hit something you wish you had not.
 
You're trying to compare apples to oranges.
They have two different purposes.
An over-running clutch is to allow a machine
with a lot of centrifugal force to run down
after the pto is disengaged (especially important
with transmission driven pto).
A slip clutch is to protect the machine if some
kind of obstacle is encountered.
In your case neither one might be required.
 

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