From the Fire Service, Inc. Facebook page:

Chief John Lehman and A/C Don Davids of the City of Aurora FD, took delivery of their newest  Wheeled Coach custom Type 1 AD ambulance. This is the third Wheeled Coach for Aurora. Featuring the Ford F450 Super Duty chassis, custom interior cabinets, Cool Bar HVAC system and Whelen exterior and interior LED lighting. 

new ambulance photo

New ambulance for Aurora. Fire Service, Inc. photo

thanks Ron