AC 175 with bush hog mower

Anonymous-0

Well-known Member
I just put on a new mower on my 175. But there seems to be a problem. When the PTO is running the mower and I stop the tractor it will still move a few feet. It seems that the cluth is not disengaging the transmission properly when the PTO is running. Is this a problem with the clutch being weak?
 
When the pto is engaged you need to use the hand clutch to stop the tractor otherwise the mower will drive the tractor. I use the same tractor for custom brushhogging and whenever I change gears I idle down, put the power director in neutral, push in the foot clutch, let the drivetrain slow down for a second then rapidly shift gears. Since the power director runs in oil, it will still have a tendency to creep in neutral especially when the oil is cold. It just takes a little practice to get the hang of it.
 
You could put an overrunning adapter on the PTO, that way when you idle down and use the foot clutch, the mower won't push the tractor (until it "catches up") Also makes for easier gear shifting.
 
Eldon, www.agrisupply.com sells an overrunning clutch that has the standard PTO push pin for connection. It can be moved from tractor to tractor as easy as removing a pto shaft from a shredder. I've had a half dozen of those that require a pin. They work fine. This clutch from Agri Supply is much easier and convenient to use. I bought one for $20 about two years ago. Apparently, they've discovered that they have the best on the market because their price is now $77.49. It is still the only choice as far as I'm concerned. Their stock number is 31949 for a 1 3/8" to 1 3/8". Phone is 800 345 0169.
 
Tom, You need an overrunning clutch. When I shred with my D series tractors, the over running clutch is just as important as if the tractor had no live power. You can use the power director to slow or stop in heavy going. When you need to shift, it is still gear grinding no matter how you do it. The overrunning clutch will allow you to shift.

In my experience, the only time the over running clutch is not needed when running a shredder is if the tractor has a completely independent PTO. In the 50's, Oliver had this, Cockshutt had it as well. Haven't experienced John Deere but I think They did also with the number series. Allis went a different way which I really like for most applications - even shredding. But the Allis needs an over running clutch.
 

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