From the Interstate Emergency Vehicles Facebook page:

Peotone Fire Protection District, Peotone, Illinois stainless steel pumper/tanker. Built on a SMEAL S-600 series chassis. Water capacity is 2,500 gallons.

fire truck being built

Interstate Emergency Vehicles photo

fire truck being built

Interstate Emergency Vehicles photo

fire truck being built

Interstate Emergency Vehicles photo

fire truck being built

Interstate Emergency Vehicles photo