Re: McCormick Deering P12 power unit

Posted by Nebraska Kirk on January 19, 2012 at 18:53:51 from (207.91.4.159):

In Reply to: McCormick Deering P12 power unit posted by Tom Fleming on January 18, 2012 at 20:42:08:

Thanks for posting the part numbers, Ron! I do not have a W12 parts book but I have found and ordered a P12 parts book. That is exactly what I was going to do, compare part numbers between the W12 and P12. So, yes, the P12 does use the same gas tank and hood as the W12. The numbers are the same, therefor the parts will interchange, the DD and DE after the part # are revisions, minor changes to the part that do not prevent them from interchanging, the X means an assembly comprised of several parts.

I don't understand why they would remove the radiator and run well water through them. With the self-contained closed system, the engine would stay hot and thereby run more efficiently whereas if well water was continuously running through the engine, it would run cold, unless something was rigged up to keep the engine running at peak operating temp. whether it be a thermostat or some sort of limiter on the water flow through the engine.

This post was edited by Nebraska Kirk at 18:59:18 01/19/12.

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