Sherman seems stuck on Jubilee

Helping a fellow out with his Jubilee(53). It didn't run when I picked it up from his house, and right off I noticed several issues. A) the six volt battery was connected with neg, ground, but he wanted it converted to 12 volt anyway, so didn't focus on that. Then I noticed that the PTO lever wouldn't budge. I lifted the hydraulic unit off the top and the side cover with the shift handle and was able to free the slide rod up and with a little polish and grease got it moving freely again. It had some burring on it, but the fluid was well past time to change. Once I got the 12 volt conversion completed and went to start the tractor, it acted like the started was seized. However, when I pushed the clutch in, the engine fired right off, but when I slowly started to release the clutch the engine labored and almost died. I tried it a couple of times with the same result. In checking what could be going on I noticed two things. A) the Sherman lever was stuck and would not budge. B) regardless of where I placed the PTO lever, the PTO shaft wouldn't turn, which I believe may be because the Sherman is jammed. With the tractor shut off I can turn the PTO shaft by hand easily. I pulled it out to be sure it wasn't jammed, and it came out easily. Suggestions???
 
Check to see if the main trans is not stuck in 2 gears. If it is, it will bind input shaft/Sherman and pto
 
It didn't seemed to be, but thanks soundguy, after seeing so many stuck between gears, that is sound advice. (no pun intended.) It would be easier to remedy if that were the case. Thanks again. Steve
 
Okay, went to the shop and put the standard transmission through all the gears with no problems, tried to move the Sherman shift handle while doing so and it wouldn't budge. I guess it is time to split it and pull that Sherman out and see what's up with it.
 
Is it cold where you are?? If it is below freezing the Sherman many be full of water/ice. I have had that problem in the transmission of my 841 before and ice does not move and will stall an engine
 

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