I was using my wife's '43 H to run a silage cutter off the belt pulley. The belt was a little loose, so I thought I'd back the tractor up a bit to tighten it. With the pulley still engaged (like a dummy), I pushed in on the clutch and put her in reverse. Without letting out on the clutch, the tractor started moving backwards nearly pulling the silage cutter over before I could get on the brakes. The momentum of the silage cutter was feeding back through the belt and into the transmission. Thankfully, no one was hurt and the newly restored silage cutter was not damaged. Good learning experience about the limitations of non-live PTO systems!Later that day, I went to move the tractor. There was a grinding noise coming from the transmission. I must have damaged something. It still drives, just noisy. The noise seemed to have gone away and I had forgotten about it. We drive the tractor fairly regularly, but seldom work it. Yesterday, we were pulling a harrow with it, when the noise came back. We straightened the discs and pulled the harrow back to it's parking spot, but the noise remained, even when it was not under a load. Does anyone know what I might have done to the transmission? Could I have bent shifter forks trying to knock it out of gear? Do you think something is broke? The noise is intermittent, but quite disconcerting when its going on. Thanks in advace for your help, Hal Davis
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