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The self propelled forager market quickly opened our eyes to the devastation that rocks cause in down time and repair costs. In efforts to address this problem the stone detection system now known as the ROCK STOP'ER was developed. Designed and manufactured in Alberta Canada, the Rock Stop'er  is protected by patents and trade marks in the USA and Canada. Since 2001, hundreds of forage harvesters are now protected by this product in North America and around the world. Rock Stop'er Forage Harvester stone detection system. Stopping stones ... giving you Reduced Down Time & Reduced Costs. 


  • Control Module
  • Sensor Unit
  • In-Field Sensitivity