37mm dc gear motor: 1.Rated Voltage:3.0-24.0V 2.Speed:3-1500 ... .cm 4.Reliable performance,Large torque. gear motor,GM37-3530:1.37mm dc motor with gearbox2.no load speed:147rpm,current ... pulse signal5.Reduction Ratio: 1/6,1/10,1/19,1/30,1/44,1/56,1/90,1/131,1/169,1/270,1/393,1/506,1/8106.typical applications:Financial apparatus ...