This from Mike Summa for #TBT:

For TBT- This was the Wheaton Fire Dept.’s Truck 411, a Seagrave 100′ rear mount ladder truck.  I have no information on this.  Photo taken in the early 1990’s.  Please fill in the blanks if anyone knows.
Mike Summa
#chicagoareafire.com; #TBT; #MikeSumma; #WheatonFD; #vintagefiretruck; #Seagrave;

Mike Summa photo