SOMETIMES, if engine crankshaft is sitting JUST RIGHT in a frozen engine, disconnecting ALL the rod caps, requires crankshaft removal during the process.
Once crank shaft is removed from the crankcase, there will be no need to turn or rotate anything!! Other than maybe turning the block upside down, or right side up.
If you are concerned about applying down ward force with it bolted to an engine stand, then don't bolt it to an engine stand. Set it down on the floor (on top of wood blocks).
I know you are not wanting to remove the engine from the tractor. I wouldn't want to go to that extreme either, to get pistons free. But, if you got multiple pistons froze up and can't get them unbolted from the crankshaft, it's about your only ANSWER in accomplishing what you want to do. To get the crank shaft removed, and pistons free/out.
You are highly UN-LIKELY to get two froze pistons unstuck, while still being bolted to the crank. Un-bolting them from crank, requires removing the crank if you can't otherwise get them unbolted. Removing crank, requires removing engine from tractor.
Sometimes to accomplish A, you got to move on to B and C to accomplish it. What you are trying to do, is an example of that.
For what it's worth, maybe this project ended up being more than what you wanted to take on. But, it kind of is, what it is.
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Today's Featured Article - Show Coverage: Godfrey, Illinois Country Days - by Cindy Ladage. Except for last fourth of July's Old Gold show in Springfield, Illinois, I don't remember when it was so hot. Nevertheless, the heat didn't keep vendors and visitors alike from enjoying the third annual Country Day's Event. Jane Elliott said the event was originally a one man show. "Barry Seiler, owner of Country Town Farm Supply store used to invite people up to the Johne Deere store. He would give hats and a free meal for everyone that brings a tractor." Elliott said while this
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