... march brushless/brush PMDC motor, suggest use 130,180DC motor.4.Can be made as clients requirements.5.Gear motor we have: 12mm,13mm ... ,22mm,25mm,28mm,30mm,32mm, 35mm,36mm,37mm,38mm,40mm,42mm,46mm,48mm,65mm Planetary gear motor we have: 16mm,22mm,28mm,36mm ... , motorized tools, for more information please contactour sales engineer. Good Gear motor encoder 20mm 2500g.cm ZYM-20A()-195-0640 for print ...