{"id":839,"date":"2026-05-29T07:22:29","date_gmt":"2026-05-29T07:22:29","guid":{"rendered":"https:\/\/rock-crusher-tractor.com\/?p=839"},"modified":"2026-05-29T07:22:29","modified_gmt":"2026-05-29T07:22:29","slug":"rock-picker-tractor-korea-ct-2100-field-guide","status":"publish","type":"post","link":"https:\/\/rock-crusher-tractor.com\/fr\/rock-picker-tractor-korea-ct-2100-field-guide\/","title":{"rendered":"Ramasse-pierres pour tracteur Cor\u00e9e \u2014 Guide de terrain CT-2100"},"content":{"rendered":"
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CT-2100 \u00b7 Complete Field Operations Guide<\/span><\/div>\n

Ramasse-pierres pour tracteur Cor\u00e9e \u2014 Guide de terrain CT-2100<\/h1>\n

The THOR 2.4 fragments the stone. The CT-2100 removes it. Without the collection step, the fragmented granite returns to the surface with the next frost cycle \u2014 and the clearing work must be repeated. This guide covers everything the CT-2100 operator needs to complete the job correctly.<\/p>\n

CT-2100 System Consultation<\/a><\/p>\n<\/div>\n<\/div>\n

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Most guides about Korean highland stone management focus on the concasseur de roches<\/strong> \u2014 the machine that fragments granite to sub-5 cm size. Fewer discuss what comes next. The ramasse-roches CT-2100<\/a> is the machine that completes the process: it collects the fragmented stone from the soil surface and deposits it away from the field, making the cleared surface permanent rather than temporary.<\/p>\n

Without the CT-2100 collection step, fragmented granite sits in the top 10\u201315 cm of the soil profile. The Korean highland freeze-thaw cycle \u2014 which operates at 600 m altitude from November through March \u2014 progressively elevates subsurface stones back to the surface each winter. By the following spring, a field that was cleared in October will have recovered 40\u201370% of its surface stone cover from sub-surface material returning to the surface layer. The THOR 2.4 pass must then be repeated, and the clearing investment is essentially renewed every season rather than compounding across years.<\/p>\n

The CT-2100 rock picker for tractor<\/strong> removes the fragmented stone from the clearing zone \u2014 permanently. With the collection step completed, the sub-surface material that returns each frost cycle is progressively smaller and sparser, until the field reaches the stable maintenance standard where only the EP-EW-4000 surface rake is needed each year.<\/p>\n

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Why Stone Collection Is as Important as Fragmentation \u2014 The Frost-Heave Cycle Explained<\/h2>\n

Korean highland granite fragments produced by the THOR 2.4 range from dust particles to 4\u20135 cm pieces \u2014 all small enough to pass below the surface during PSW-3200 tillage. However, “below the surface” in Korean highland context means within the frost-active zone, which extends to 30\u201350 cm at 600 m altitude. The physics of frost heave applies to stones regardless of their size: any particle with a density significantly different from the surrounding soil matrix will be displaced toward the surface during freeze-thaw cycling.<\/p>\n

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Without CT-2100 collection (fragment left in soil)<\/p>\n