Oregon Chain

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chainsawlady

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I have several feet of 73DP and 73LG chain from 1990 era. What is the difference in the newer Oregon with an X?
chainsawlady
 
Screenshot_2015-09-19-15-51-11.png Screenshot_2015-09-19-15-51-35.png

Joyce,

In comparing the two spec sheets, the modern "x" version makes mention of "advanced grind geometry"(probably a marketing thing), and blued cutters. Other than that, I don't see any real differences.
 

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