This from Scott Peterson:

More apparatus pictures of the companies at the 3-11 on Oct 20, 2015 @ Harry’s Lumber Sales. Part 2 of 3, truck companies.
Scott Peterson
Chicago FD Truck 12

Chicago FD Truck 12. Scott Peterson photo

Chicago FD Truck 55

Chicago FD Truck 55. Scott Peterson photo

Chicago FD Tower 21

Chicago FD Tower 21. Scott Peterson photo

Chicago FD Truck 58

Chicago FD Truck 58. Scott Peterson photo

Chicago FD Truck 56

Chicago FD Truck 56. Scott Peterson photo