... Speed 2000~25000r.p.m Output:5~75W DC motors models RS-540 or RS-545, Carbon brush ... dc motor, Cylinder, Diameter35.5 mm, length 50 mm; ... apparatus, printer, air pump, vending machine, blender, , drill & screw driver, forest tools, etc.ModelVoltageNo LoadAt Max. EfficiencyStall TorqueOperating Range(V ... .09,2500.128,0650.6420016.5664.71,561 DC Motor RS-540 & RS-545