M40 Short Bit-to-Bend Mud Lubricated Bearing Assembly

M40 Short Bit-to-Bend Mud Lubricated Bearing Assembly

M40 Mud Motor
Designed to Outlive. Destined to Outperform.

For years, the WZL M40 has been the short bit-to-bend, high-torque bearing assembly of choice for drillers who appreciate consistent, reliable performance.

Optimized geometry
  • Maximized OD, enhanced mandrel ID
  • Straightforward, compact bearing assembly for reliability and easy service
  • Increased flow area and capacity
Fatigue resistance
  • Double-start threads increase torque capacity
  • Round housing threads greatly reduce stress concentration factor
  • Tungsten-carbide armoured radial flow bearings (flow restrictors)
  • Cold-rolled mandrel threads and shot peened components

Rotary Steerable System Motors

Optimize drilling efficiency, chase faster ROPs and drill confidently with motors specifically designed to get the most out of your Rotary Steerable System (RSS) technology—and ensure your RSS always returns safely.

Mud Lubricated Bearing Assemblies

Mud lubricated bearing assemblies are the choice of drillers looking for maximum operating torques and weight-on-bit loads, and those operating in extreme drilling conditions.

Accessories and Customization

Wenzel Downhole Tools M40 mud lubricated bearing assembly with hybrid flex shaft driveline

Different formations, depths and prognoses make a one-size-fits-all approach to drilling tools impossible. Outfit your motor with the housings, driveline, bend and connections that you need for success.

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Questions about our products or services? We are here to help.

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Contact Us

Questions about our products or services? We are here to help.

Fill out the form below to contact our team by email. We will get back to you as soon as possible.