6t double-motor locomotive is the new product of our company, there are three kinds of speed regulating modes, electric resistor, chopped wave and variable frequency. The voltage is 250V & 550V and with a reducer of two stage gear transmission of conical & cylindrical. The locomotive with thick body side panel, and long time used gear, big traction and fast speed. The cushion, damping and denoising performance is good because of adopting the V type rubber damper.