2012 Vemag Robot 500 Vacuum Filler. Model Robot 500. PC 878 touch controls. SS hopper, 37 in. diameter x 22 in. tall. Infeed height 76 in. tall to top of hopper. 3 in. diameter threaded throat. Carbon steel screws, part # 910 310 048. Knee operated. With oil cooler. On casters. Electrical requirements, 220-240 volt, 3 phase, 60 hertz, 23 amp. 16,293 hours.