From Lifelineambulance.com:

llinois:

Wilmington Fire Protection District

Reference #: 5168
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; #WilmingtonFPD; #LifelineAmbulance;

Lifeline Ambulance photo

#chicagoareafire.com; #ambulance; #WilmingtonFPD; #LifelineAmbulance;

Lifeline Ambulance photo

#chicagoareafire.com; #ambulance; #WilmingtonFPD; #LifelineAmbulance;

Lifeline Ambulance photo

#chicagoareafire.com; #ambulance; #WilmingtonFPD; #LifelineAmbulance;

Lifeline Ambulance photo

thanks Martin