Age of Carrier unit?

Can someone help me to determine the age of a Carrier unit. I couldn’t find it on the plaque? It is a Carrier Tech 2000, Ser. # 2693E01424, Model # 38TRA036300. Thanks.

http://www.nachi.org/forum/showthread.php?t=174

Looks like june 1993 3 ton unit

Thanks for your help guys. Very much appreciated.