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  • Premium-GDM-500-650-a

    Premium GDM 500 650 a

  • Premium-GDM-500-650-b

    Premium GDM 500 650 b

    GDM Top Drives

    Some say we over engineered the GDM500/650 – but we wanted to provide the most advanced technology and product to our customers. With an upgraded, powerful gearbox design that was engineered just three years ago, you can be sure this gearbox will handle the next twenty years of drilling demands.

    The GDM 500/650 creates the most torque in its class. It comes standard with build-in predictive, preventative maintenance software to get the most out of your investment.

    • Different power options; A/C and D/C drilling motors
    • 7 5/8" main shaft that can be re-threaded up to three times
    • Designed for rugged use in extreme climates