Re: Re: Over-running Coupler-- buy IHC or generic?

Posted by Bob on January 26, 2004 at 12:49:07 from (24.145.166.158):

In Reply to: Re: Over-running Coupler-- buy IHC or generic?? posted by Bill in Orono, MN on January 26, 2004 at 11:19:54:

Don't think a 300 needs one, as it's got live PTO. The purpose of the ORC is to keep the spinning blade of a bush hog or some other PTO driven device with lot's of rotational energy from pushing your tractor when you want, or need to stop quickly. Older tractors without live PTO have the transmission and PTO operating from the same clutch, so pushing the clutch in doesn't disconnect the stored energy in your implement from your drive wheels. The ORC is like a ratchet wrench in that it will transmit power (in one direction) to your implement, but not transmit power from the implement to the tractor. It can be very dangerous to operate a non-live PTO tractor without an ORC.

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