Freightliner Econic SD. DD8 350 HP 1050 TORQUE, ALLISON 3000RDS TRANS. 18000# FA, 46000# RA. Block Heater, Reinforced Rear Stabilizer Bar. 204in Wheelbase, 66in Rear Frame Overhang. 50 Gallon Aluminum Fuel Tank. Body Attachment Fixtures, Frame Mounted. Air Driver Seat. Blind Spot Camera System. Collision Warning & Adaptive Cruise. Lane Departure Warning System. Automated Front Frame Lowering by Air Susp. Frequent Stop Work Brake W/Dash Switch.