This from Al Schlick:

Found River Grove’s engine for sale.  This engine had a twin that went in service at the same time.

River Grove Fire Department

X-River Grove Fire Department engine. Brindlee Mountain photo

Update 2PM:

This from Bill Friedrich:

Good afternoon all. Here is a group shot of the two Pierce Sabers River Grove purchased. Just recently the River Grove FD purchased a used  1999 E-One Hurricane 1500-500-30f from the Schaumburg FD.  x-Engine 4
River Grove Fire Department

Two River Grove Pierce Saber pumpers. Bill Friedrich photo