Barber-Colman 6-10 Hobbing Machine Maintenance Manual BARBER COLMAN BYQM-43610-3 DC 6V MOTOR /GEAR ASSY NNB BARBER COLMAN 6-10 "MultiCycle" Horizontal Gear Hobber 350 TON TRUEBLOOD PLASTIC INJECTION MOLDER - Barber Colman "Maco 4000"