Description Overview Rieter R40 open end spinning machines available in multiple configurations. List number: L-2154. Machine Specifications Rieter R40 open end machine with 420 rotors, year 2007. Rieter R40 open end machine with 460 rotors, 31 mm rotor diameter, year 2011. Rieter R40 open end spinning machine with 460 rotors, year 2011. Rieter R40 open end spin frame with 400 rotors, 31 mm rotor diameter, year 2006. Rieter R40 with 400 rotors, year 2006. Quantity Six machines total. One machine with 420 rotors, year 2007. One machine with 460 rotors, 31 mm rotor, year 2011. One machine with 460 rotors, year 2011. Five machines with 400 rotors, 31 mm rotor diameter, year 2006. Three machines with 400 rotors, year 2006. Reference Numbers Reference R-2005 for the 420 rotor machine. Reference B-1142 for the 460 rotor machine with 31 mm rotor. Reference R-1725 for the 460 rotor machine. Reference C-3647 for the 400 rotor machine with 31 mm rotor. Reference C-2730 for the 400 rotor machine.