Dad and I are in the final stages of bringing back to life a 400 like yours; T/A delete and standard PTO. It's frustrating to find a major problem on an otherwise good project tractor but it happens.
Is the crank such that #2 is all the way at the bottom? The sleeve being ruptured out means a rupture in the water jacket. It will not be practical to repair the block vs. finding a replacement. I could put my hands on a couple of them today.
If the whole machine is fairly low time and the trans is good it's worth saving. Even the rest of the motor parts: crank, oil pump etc. will have less wear and be worth saving.
If the M turns out to have a bad trans but good motor you could use that one.
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Today's Featured Article - Memories of a Farmall C - by Monty Bradley. When I was a child, my grandparents lived on a farm owned by a Mr. Walters. The crops raised were cotton and soybeans, with about forty head of mixed breed cattle. Mr. Walters owned two tractors then. A Farmall 300 on gasoline and a Farmall C, that had once belonged to his father-in-law, and had been converted from gasoline to LP Gas. Many times, as a small boy, I would cross the fence behind the house my grandparents lived in and walk down the turn row to where granddaddy would be cultivati
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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