This from Tom Podraza:
Found on the Mack CF facebook page.. Former Belmont FPD later Darien/ Woodridge 1975 mack is being auctioned
1975 MACK Fire Truck – Serial Number CF611F1732

1975 MACK Fire Truck – Serial Number CF611F1732 for sale by auction

1975 MACK Fire Truck – Serial Number CF611F1732 for sale by auction

1975 MACK Fire Truck – Serial Number CF611F1732 for sale by auction

1975 MACK Fire Truck – Serial Number CF611F1732 for sale by auction
#1 by CrabbyMilton on November 26, 2018 - 8:54 AM
Milwaukee had several of those.
Certainly a long production life.
#2 by DENNIS on November 26, 2018 - 6:07 AM
X-FDNY
X-BELMONT FFPD,ILLINOIS
X-EMINGTON-CAMPUS FPD.ILLINOIS