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Old 12-24-2012, 08:26 PM   #92
XL-erate OP
Gnarly Adventurer
 
Joined: Mar 2008
Oddometer: 154
Apparently the Gravely slip clutch is rated for 30-35 lbs slip pressure.

http://www.ytmag.com/cgi-bin/viewit....lk&th=74365%3E

http://www.mytractorforum.com/showthread.php?t=32659

A Yahoo Search for PTO Slip Clutch shows there's all kinds of these things out there, might have some real possibilities. Many are electric. A guy could set one up to run 1WD 99% of the time, then if the going gets rough flip a switch and have electric slip clutch engage 2WD.

The low horsepower part might not be a problem at all if the second drive wheel is just used as a helper to keep things rolling in soft stuff. They're probably used for many horsepower rating. I'm going to look into this a lot deeper, may be a very good solution!
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