This from Mike Summa for #TBT:
For TBT- Oak Brook Fire Dept. #916. Photo taken at a fire muster in Downers Grove in the early 1990’s. And that is all I know. If anyone can fill in the blanks, please do so.Mike Summa

Mike Summa photo
And from our archives

Custom Pirsch engine with 50′ Boardman Readi-Tower aerial. Larry Shapiro photo
#1 by Mike L on March 25, 2021 - 11:04 AM
Crabby, I believe you are correct. This was a Duplex/Pirsch with a 50′ tele-squrt. Not sure if it was an 84 or 85. I remember seeing it early in my career up that way.
#2 by crabbymilton on March 25, 2021 - 7:37 AM
Looks to be built on a DUPLEX chassis. This was when PIRSCH was in it’s final years.