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GPS+ Indicate Control Systems

3Di is a low cost indicate-only system ideal for bulk earthmoving machines such as dozers, scrapers and compactors. The color touch-screen control box displays machine is location along with cut/fill - anywhere on the jobsite. Instead of traditional load counts or guessing at grades, with 3Di, you have control over all your jobs, insuring you move the material to the right place the first time. Want to make sure the project starts on time? Topcon's 3Di indicate GPS+ system can even be used for marking clearing limits, saving days waiting for a survey crew to make it to your jobsite.

With Topcon's 3Di your an easy upgrade away from fully automatic GPS+ grade control. When it's time to turn your 3Di enabled machine in to a fully automatic GPS+ based machine simply call your Topcon dealer. It's fast and easy!


  • Real time cut/fill color map reduces push/haul lengths
  • Simple, color coded “scrolling tape” cut/fill indicator provides instant grade info
  • On-grade dead band and scale adjusts to match job tolerances • Remote color selectable light bars for grade indication
  • Multiple job views: plan, profile, cross sections