From the Interstate Emergency Vehicles Facebook page:

Crystal Lake Fire Department, Crystal Lake, IL. New U.S. Tanker built on a Kenworth T-800 chassis and a 3,000-gallon, elliptical poly-tank wrapped with mirror finished stainless steel.

new elliptical FD tender on Kenworth T800 chassis

Interstate Emergency Vehicles photo

new FD tender

Interstate Emergency Vehicles photo

new elliptical FD tender

Interstate Emergency Vehicles photo

new elliptical FD tender

Interstate Emergency Vehicles photo