Specifications include, but are not limited to: Hopper: Unit’s hopper shall have a capacity of at least 5 cubic yards Hopper walls shall have enough side slope to ensure asphalt is properly feed to auger, with a minimum of 2-inch industrial insulation encased in a double steel jacket, with a heated air chamber. Auger Feed: Be hydraulically driven; and reversible with control at operator workstation. Secondary Auger Motor: Unit shall have a secondary auger motor, for additional auger torque for very stiff mixes, with control at operator workstation. Secondary motor shall match primary motor in horsepower and torque to double the torque in parallel mode. Agitator: Agitator shall be full hopper length, hydraulically driven, reversible with control at operator workstation. YES NO HOPPER DOORS: Construction: Shall be steel, bi-fold, double wall, encapsulating a minimum of 2” of insulation; with large hinge pins at each end, and moisture drip flashing built into the edges of the two inner doors.