From lifelineambulance.com:

River Forest Fire Department

Reference #: 5509
Model: Superliner Type III
Dealer: Jefferson Fire & Safety
Module Size: 167″
Headroom: 74″
Chassis Make: E-Series
Chassis Type: E450
#chicagoareafire.com; #LifeLineAmbualnce; #RiverForestFD; #ambulance; #Type3;

Life Line Emergency Vehicles photo

#chicagoareafire.com; #LifeLineAmbualnce; #RiverForestFD; #ambulance; #Type3;

Life Line Emergency Vehicles photo

#chicagoareafire.com; #LifeLineAmbualnce; #RiverForestFD; #ambulance; #Type3;

Life Line Emergency Vehicles photo

thanks Martin