From the LifeLine Ambulance website:

4820 – Lemont Fire Protection District

Model: Superliner Type I

Module Size: 167″Headroom:74″

Chassis Make: Dodge chassis 5500 4WD

new Life Line ambulance for the Lemont FPD

Life Line Emergency Vehicles

new ambulance for the Lemont FPD

Life Line Emergency Vehicles

Life Line Type I ambulance

Life Line Emergency Vehicles

thanks Martin