1.188 Inches. The pressure plate and clutch disk fit on different shafts because of the live PTO. Pressure plate bolts to the flywheel, and the hollow PTO shaft fits into it. Clutch plate fits on the solid shaft that goes thru the PTO shaft and goes into the pilot bearing. If you bolt the pressure plate to the flywheel before putting the front and rear back together, you run the risk of not having the clutch disk aligned properly (the main shaft flops up and down until it slides into the pilot bearing) and it can and will bend. Been there and bent it due to not knowing any better, ie stupidity. As stated you can use a GOOD alignment tool if you insist on bolting it first. I am not familiar with your engine. You have to drop the oil pan to change the main bearing, I don't know what else. Splitting the tractor is independent of changing the main bearing, you can change the rear seal then, I suppose. Changing the front trans seal (actually it is the TA seal) is up to you. You can see if it leaks once you split the tractor. Mine was not -- that is not to say it won't.
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Today's Featured Article - Ford Part Number Trivia - by Forum Participants. "Replaced by" means the part was superseded. All of my part books date back to 1964 and New Holland have changed some part numbers. They usually put the old Ford part number on the package. I was suppressed when I looked up the part number of the auxiliary drive shaft because for some reason the part number went through a radical change and it lost its "Basic Part Number". Ford part numbers follow the following rules. Most part numbers are in three parts. The middle part is called the
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