Found at lifelineambulance.com:

Lockport, IL – Northwest Homer Fire Protection District
Reference #: 5376
Model: Superliner Type I
Dealer: Jefferson Fire & Safety
Module Size: 171″
Headroom: 74″
Chassis Make: F-Series
Chassis Type: F550
Wheel: 2WD
Air Ride: Liquid Spring
#chicagoareafire.com; #ambulance; #Type1; #LifeLineAmbulance; #NorthwestHomerFPD;

Life Line ambulance photo

#chicagoareafire.com; #ambulance; #Type1; #LifeLineAmbulance; #NorthwestHomerFPD;

Life Line ambulance photo

#chicagoareafire.com; #ambulance; #Type1; #LifeLineAmbulance; #NorthwestHomerFPD;

Life Line ambulance photo

thanks Martin