2008 Vemag Robot 500 Vacuum Filler. Model Robot 500, SN 1283610 PC 878 touch controls. SS hopper, 38 in. diameter top to 13 in. diameter bottom, 23 in. tall. Infeed height 70 in. tall to top of hopper. 3 in. diameter threaded throat. Carbon steel screws, part # 915 380 048. Knee operated. On casters. Electrical requirements, 220-240 volt, 3 phase, 60 hertz, 20 amp.