This from Mike Summa for #TBT:

This was the Palos FPD’s Engine 6313, a 1976 Hendrickson 1871/Pierce 1250/750.  Enjoy and comment.
Mike Summa
#chicagoareafire.com; #TBT; #FireTruck; #MikeSumma; #PalosFPD; #Pierce; #Hendrickson;

Mike Summa photo