On Fri, 06 Jan 2012 19:09:55 -0600, Ignoramus8679
wrote:

If you recall, I once bought, repaired and sold two Cummins L423D
engines from the military. Then I bought a generator, that I now use
for my house backup, also powered by a L423D.

Guess what, today I bought a known busted generator, also with a L423D
engine.

The head was taken off because there was "water in oil". Then it was
replaced, after running for 163 hours.

Then a lot of parts, I am sure, were lost while it was moved around by
ignorant people. But the generator still has a control panel, engine
block, injection pump, starter, etc.

My first question is what exactly does cause water in oil? Cracked
head?

thanks

(1) Blown head gasket

(2) Cracked head

(3) Cracked block

That's all I can think of, for a diesel.

--
Ed Huntress