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Innovative Design

Earth Metal Blades

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EARTH METAL BLADES
All Case IH Heavy-Offset 790 disk harrows are equipped with Earth Metal® blades. Uniquely formed and heat-treated, Earth Metal blades offer exceptional endurance and break resistance for longer equipment life.
 
The notched blades aggressively cut residue and vegetation, with excellent cut uniformity.
Wide rear-angle view of Case IH Heavy-Offset 790 disk harrow at work.
Long-Life Durability
Compared to conventional blades under identical conditions, Earth Metal blades:
  • Are 30% stronger
  • Last up to 20% longer
  • Resist stress fractures
  • Feature shallow-concavity design
    • Easier to pull than conical or spherical blades
    • Promote better fuel economy
Unique Case IH shallow-concavity Earth Metal® blades actually re-sharpen as they wear, maintaining their keen edge
Self-Sharpening
Earth Metal blades actually re-sharpen as they wear.
  • Provides superior cutting performance over an extended blade life
  • Helps prevent downtime and maintenance labor
  • Lowers blade replacement cost
The performance of Earth Metal blades actually improves as they are used, while conventional blades lose their sharpness with wear.