Thumbs

Mechanical and
Hydraulic Models

Steelunlimited hyraulic thumb

Mechanical Thumb

SteelUnlimited hydraulic thumb

Hydraulic Thumb

Mechanical Thumb

Steel Unlimited’s  Mechanical Thumbs are available in a wide variety of sizes to meet any demand. The back plate welds onto your excavator’s dipper stick and has multiple positions for the stiff arm to give you the best grip on whatever material you are working with. When not in use, the stiff arm or cylinder can be removed and the claw will sit against the dipper stick out of the way.

Mechanical Thumb

Steelunlimited hyraulic thumb
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Hydraulic Thumb

SteelUnlimited hydraulic thumb

Hydraulic Thumb

SUI Thumbs are available in a variety of sizes to facilitate your need.

  • Expanded range of heavy-duty thumbs permits installation on rubber-tired back-hoes and excavators.
  • All steel tines are fabricated with AR400 (abrasion resistant) steel, serrated and gusseted.
  • Pins are machined out of hardened steel alloy.
  • Overall thumb width never exceeds the carriers minimum bucket width eliminating potential interference during operation.

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