Just after the 8 o'clock hours, Station 85 was alerted for a vehicle fire on Gravel Hill Rd. at CDI. 85-8 and Engine 85-4 responded a short time later, arriving to find a tractor trailer with the cab fully involved. Crews from Engine 4, Engine-Tanker 85-2, and 85-00 worked for 30 minutes to extinguish the fire. Units cleared a short time later. Asst. Chief Millman had Command. Units responding Engine 4, Engine-Tanker 2, Brush 85, Command 85, DSP, DSFP.