... Speed 3,500~15,000r.p.m Output:2.5~35W Models RK-510(3429),, Carbon brush dc motor, Cylinder, Diameter34mm, length ... 3,500~15,000 r.p.m, Output about 2.5~35W. fit for gear box, vending machine, etc.ModelVoltageNo LoadAt ... .03,3500.0352,5530.1263.21.6656.1263 DC Motor RK-510(3429)