Description Machine 1: Muratech Tfo Twister Model: 373 (SPG4) Year: 1990 144 drums Pot diameter: 190 mm Drum diameter: 90 mm Traverse: 5 ½ in Spindle gauge: 290 mm Wharve diameter: 44.2 mm Inverter drive: yes Machine 2: Muratech Tfo Twister Model: 363 (SPG2) Year: 1990 120 drums Pot diameter: 175 mm Drum diameter: 100 mm Traverse: 6 in Spindle gauge: 255 mm Wharve diameter: 33.8 mm Inverter drive: yes Machine 3: Vts Tfo Twister Model: 09 (SPG1) Year: 1995 192 drums Pot diameter: 145 mm Drum diameter: 110 mm Traverse: 5 ½ in Spindle gauge: 250 mm Wharve diameter: 36.5 mm Inverter: yes