GDM Top Drives

Available in 150 through 1000 ton models, the GDM (Global Drilling Machine) top drive line solves many of the problems that reduce performance and reliability of conventional top drive models:

  • Simple, robust mechanical design minimizes failure points
  • Improved torque and RPM for increase performance
  • Easier, faster access to maintenance zones


The next-generation top drive was engineered from the ground up by the top drive experts at GDS; a unique team of design, service, and repair pros focused on advancing top drive performance. You won’t find a more experienced team of top drive professionals than those at GDS.


GDM Top Drive Features:

  • Simple design: easier motor replacement
  • Solid pinion construction
  • Simple robust helical gear assembly
  • State-of-the-art control system
  • Consistent lubrication from spray lube gear
  • Optional torque multiplier
  • Made in North America
  • Manufactured under API 8C License

GDM Top Drive Accessories:

  • Work platforms for increased safety
  • Automatic elevator orientation
  • Adjustable pipe handler
  • Pipe handler, travel length
  • IBOP Actuator