Guest Tinnitus Posted November 21, 2007 Report Share Posted November 21, 2007 I have some Allison CD6's, serial numbers F-3975X, that I would like to get an approximate build date on, if anyone has the info.I also have a general question: the CD6's look very similar to the Sixes. Are there differences between the two - and does anyone know what the differences are? Which are more "desirable"?Thanks!! Link to comment Share on other sites More sharing options...
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