Quote:
Originally Posted by tatastruck
If I happen to find NSM 420 in a junkyard how would I identify it?
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You might want to print some of the pics on this page and take them with you.
http://www.6066gmcguy.org/SM420.htm
Lacking the pics, a quick and dirty way to tell the SM465 and SM420 apart is that the 465 has two PTO covers and the 420 has only one, on the left side. The 420 also has a very significant "bulge" on the right side of the case.
Ray