Carbon brush dc motor Diameter 34mm,Length 29mm,Shaft 3mm ... Output:2.5~35W Models RK-510(3429),, Carbon brush dc motor, Cylinder, Diameter34mm, length 29mm; shaft 3 mm ... about 2.5~35W. fit for gear box, vending machine, etc.ModelVoltageNo LoadAt Max. EfficiencyStall TorqueOperating Range(V)NominalSpeedCurrentSpeedCurrentTorqueOutputEffVr ... .03,3500.0352,5530.1263.21.6656.1263 DC Motor RK-510(3429)