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GTG40 Cup Wheel Grinder

Atlas Copco’s GTG40 is proof that a powerful machine tool can also be easy to handle. It is the perfect tool for rough grinding on open surfaces with cup wheels or wire brushes. GTG40 is powered by a turbine motor, which gives an extremely high power-to-weight ratio compared to a vane motor. In addition, the efficiency of a turbine motor is much higher and reduces energy consumption for the same specific job by up to 40% compared to a conventional vane grinder. Applications of this type call for tools with high power outputs.


  • High power-to-weight ratio

  • Turbine motor

  • Very safe and durable wheel guard

  • Compact and light

  • Low vibrations


  • Low noise

  • Maintained process speed

  • Long service intervals