Description Overview Ak Ultra Ht Series 2.0 inch, 24:1 L/D air-cooled extruder with strand die. High heat machine. Year: 2008. Specifications Barrel material 102. 42.25 inch centerline. 3 air cooled barrel zones. 2 die zones. Max process temp 900f. 20 hp 1800 rpm ac motor. 18:1 gearbox ratio. Non vented. Abb model 800 drive. Electrical 460/3/60. Control voltage 120v ac. Condition Used - excellent.