Down-hole motor is a positive-displacement motor. The high pressure fluid enter into the motor , making the fluid converted into mechanical energy ,and the motor drive the principal shaft and bit rotating to drill.We can supply a complete line of drilling motor ranging from 2-3/8″OD to 11 1/4”OD, different types and specifications, such as ABH (adjustable bend housing) and oil based mud or high temperature etc.Down-hole motor is a positive-displacement motor. The high pressure fluid enter into the motor , making the fluid converted into mechanical energy ,and the motor drive the principal shaft and bit rotating to drill.