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Pat, The dry-disc manual clutches provide all the power from the engine through to the "road gear" AND the PTO. The PTO shaft comes from the back end of the transmission's main shaft and is non- live PTO. Only the CASE-O-Matics had live PTO. The bush hog is taking the extra power through the main clutch and probably why you didn't notice it before. You will probably need a new clutch disk and maybe re-surface the flywheel. Nearly all the CASE tractors that I've rebuilt had a deep depression where the clutch disk wore into the flywheel's surface. Breaking a tractor in the middle for clutch replacement is not that difficult. You need a good concrete floor and 2 rolling floor jacks or a chain hoist and one rolling floor jack. Been there, done that. When Terrance sends the PTO adjusting information, it will seem complicated at first, but it is easier than first thought. Read the instructions carefully. You have a small hole to work through, but tightening the PTO clutch is not that difficult. I did my first one the hard way and took it apart to determine how it worked and to adjust it. You don't want to do that unless you have 4 hands. Ken McWilliams
Dayton, OH
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