Mechanical Thumbs – Versatility In Action

These three-position thumbs are ideal for use in demolition, recycling operations, landscaping and general construction applications.

FRD USA offers a full line of thumbs designed to fit carriers ranging in size from 3,000-120,000 pounds. All tines are fabricated with AR400 steel, which is 38 percent stronger and 46 percent harder than commonly used T-1 steel. All pins are machined from hardened steel alloy for low maintenance.

Mechanical Thumb

Mechanical Thumbs Features & Benefits

  • Expanded range of heavy-duty thumbs permits installation on mini-excavators, rubber-tired back-hoes and excavators.
  • All steel tines are fabricated with AR400 (abrasion resistant) steel, serrated and gusseted. AR400 is 38% stronger, 46% harder and resists wear better than commonly used T-1 Steel.
  • Thumbs feature three versatile, ridged positions to adapt to a variety of working conditions.
  • Pins are machined out of hardened steel alloy.
  • Overall thumb width never exceeds the carriers minimum bucket width eliminating potential interference during operation.
  • Thumbs fold flush and maintain a low profile when pinned flat against mounting bracket.
  • No additional parts are required to hold thumb in retracted position.
  • All units shipped with easy-to-follow installation instructions.

Carrier Compatibility

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