motor HL8425F-1motor size:At maxinum efficiencyLamination Dimension:φ84mmefficiency:61%length:153mmtorque:1.5kg.cmShaft Diameter:φ8mmSpeed:8600rpmCurrent:2.0AmpNominal Voltage120V/60HZoutput:132WattsAT no loadSpeed :14500rpmCurrent:0.7AmpInput:82Watts