Underground Motor Graders – 20K Series (Tier 3) 2017-10-04T11:11:29+00:00

Underground Motor Grader – 20K Series (Tier 3)


The Ground Force Worldwide Underground K Series Motor Grader sets a whole new standard in operational efficiency, visibility, serviceability and productivity in underground mining applications. With multiple custom cab options, these underground motor graders offer many solutions while providing safety, comfort and efficiency. These machines are specifically designed for Tier 3 regions.

When it comes to Underground Motor Graders, Ground Force Worldwide offers a proven and reliable solution in a Tier 3 compliant model.

Ground Force Worldwide Underground K Series Motor Graders are custom engineered to meet the demands of your underground road maintenance program while offering multiple cab options to suit your tunnel requirement.

Our engineering department evaluates your application to ensure your Ground Force Worldwide Underground K Series Motor Grader is built to suit your operation, with a low-profile design, and an optimal turning radius for easy maneuverability through your operation. Custom options, high visibility and outstanding serviceability make the Ground Force Worldwide Underground Motor Graders the best choice for your mine.

Ground Force Worldwide K Series Underground Motor Graders are durable and dependable, designed to withstand the rugged terrain of underground mines across the world.

Our Underground Motor Graders are proven to be a reliable solution for road maintenance, utilizing the 120K2 Motor Grader (Tier 3) Cat® C7 ACERTTM engine. Our Ground Force Worldwide Underground Motor Graders are a perfect addition to your underground fleet and offer the same high performance you’ve come to expect from Ground Force Worldwide equipment.


  • 120K2 Motor Grader (Tier 3) Cat® C7 ACERTTM Engine
  • Standard power 145hp/108kW
  • Air-actuated, multiple disc brakes
  • Fuel Tank 80.6 gal (305 L)


  • Reduce overall length to approx. 304 in (7,721 mm)
  • Shortened standard wheelbase to approx. 195 in (4,953 mm)
  • Reduced outside turning radius to 227 in (5,765 mm)
  • Custom manufactured cab (Multiple options)
  • Fully enclosed cab with HVAC, with or without ROPS FOPS
  • Open cab, ROPS FOPS structure
  • No cab, with or without ROPS FOPS moveable roll-bar
  • Finished machine height range between 96 in – 113 in (2,438 mm – 2,870 mm)
  • Width of machine approx. 96 in (2,438)
  • Reduced height of moldboard lift cylinders
  • Moldboard reduction to 10 ft (3,048 mm)
  • Radiator protection structure
  • Front end counter weight and push block
  • Fire suppression
  • Diesel particulate filter
  • Exhaust system heat wrap
  • Rear view camera
  • Multiple tire options


  • ROPS/FOPS – (ISO 3471 / ISO 3449)
  • CE certified where applicable


  • LED lighting packages
  • Reflective striping
  • Parts & service manual