Description Overview Rieter open end spinning machine Model: R40 Year: 2004 Specifications Number of rotors: 280 Rotor type: XTC 36 BD Rotor diameter: 36 mm Opening roller type: B 174 DN-64 (D46) Naval type: K4K Number of piecers per rotor: 2 Yarn clearer: Uster quantum clearers Cylindrical delivery No waxers included 380/50