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Harry Ferguson Tractors Discussion Forum
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Over-running clutch for brush hog

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Dennis Patterso

10-08-2005 09:45:24




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I am about ready to buy a brush hog for my TE 20 but need to know more about the application/use of an over-running clutch. I understand from reading some posts that this is considered by some to be a neccesity, but I know little about them. Are they costly? Hard to install?
Thanks in advance for info and/or experiences you may have to share.




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Gene Stevens

10-09-2005 19:19:35




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 Re: Over-running clutch for brush hog in reply to Dennis Patterson, 10-08-2005 09:45:24  
Something I found out after buying one. They do have them that are 1 3/8 output vs the 1 1/8 which is the same as your male PTO Shaft. If you are going to use 1 3/8 equipment I would go with the 1 1/8 input and 1 3/8 output. Keeps you from having to use an adapter. My 2c...Gene



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Tex Ferguson

10-09-2005 04:28:14




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 Re: Over-running clutch for brush hog in reply to Dennis Patterson, 10-08-2005 09:45:24  
Here in Texas brush country, we say the overrun clutch is your radiator's best friend. It prevents the the effect Jerry/MT described, which can overwhelm your brakes and take you where you do NOT want to go! In my experience, the $60 units last about 1 1/2 years of moderate use: cheap insurance! Don't mow without one.
Good luck. Tex



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Jerry/MT

10-08-2005 11:40:01




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 Re: Over-running clutch for brush hog in reply to Dennis Patterson, 10-08-2005 09:45:24  
The pto on your TE-20 is driven through the transmission soif you have a device driven by the ptothat hasa lot of rotating inertia (i.e. a rotary cutter, rototiller, etc) when you step on the cluch in preparation for a stop or a turn, the rotational inertia of the driven device will continue to supply torque to the rear wheels via the drive line and will continue to drive the tractor cauing difficulty in stopping or avoiding objects. The overunning clutch (ORC)is a device that slides over your PTO shaft that has a clutch mechanism that only allows torque to be transferred from the PTO to the driven device and not vice versa. The cost varies from about $40 to $80 depending on the quality of the device, but they all seem to wok well. Some may wear quicker than others. I have the type that slips over the pto shaft witha button type lock mechanism. The cheaper ones use a roll pin under the grease fittings to keep it on the shaft. They all work and you really need to have one if you are going to use rotary cutters, etc.

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Don McQueen

10-09-2005 05:45:20




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 Re: Over-running clutch for brush hog in reply to Jerry/MT, 10-08-2005 11:40:01  
Hmmm. Mine was $80.00 and uses the roll pin..Cheap ?



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Jerry/MT

10-09-2005 12:47:16




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 Re: Over-running clutch for brush hog in reply to Don McQueen, 10-09-2005 05:45:20  
Mine was $45 plus shpg and uses a button to lock it to the PTO shaft. However, they are all cheap if they keep you from having an accident.



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wayne2

10-09-2005 05:39:20




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 Re: Over-running clutch for brush hog in reply to Jerry/MT, 10-08-2005 11:40:01  
DITO_RIGHT ON Lets hope he listens!!!!!



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Dennis P in Ohio

10-09-2005 05:44:19




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 Re: Over-running clutch for brush hog in reply to wayne2, 10-09-2005 05:39:20  
I can"t thank you all enough. The answers I received gave me the knowledge I need to proceed.
This forum is truly a great thing.
Best regards,
Dennis



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Just 1 More

10-11-2005 09:08:16




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 Re: Over-running clutch for brush hog in reply to Dennis P in Ohio, 10-09-2005 05:44:19  
So where do you order one of these?? I have a 1952 TO-30



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lee thomas

10-13-2005 18:15:17




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 Re: Over-running clutch for brush hog in reply to Just 1 More, 10-11-2005 09:08:16  
I bought the last one I bought at agri-supply I am sure tractor supply has them well worth the money I saw my dad run a te20 thru a fence one time



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