Posted by Johncat on January 23, 2012 at 09:38:45 from (207.40.225.6):
I have a set of pistons i need help identifying, this will take the expertise of a caterpillar expert. They are caterpillar pistons with casting number 8L 4066. I am told they were out of a 3304 engine but have not confirmed that. They only have 2 ring grooves, the top groove has a hardened seat for the compression ring and the bottom is for the oil ring. They are 4.75" in diameter, flat tops, and have a 1.5" diameter pin. My end goal here is to find a set of rings for them, i have been unsuccessful in finding them so far. Thanks for any help!
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Today's Featured Article - Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
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