Cat® Stiff Link Thumbs feature a rigid link and are attached to the excavator stick with a weld-on bracket. The bucket curls into the thumb to pick, grab, sort and handle various types of material and objects found on job sites.

Studio Shot
Front View
Top View
Left View
Rear View
Bottom View
Right View

Features

  • Application

    Application

    Cat® Stiff Link Thumbs are designed to easily handle a wide array of bulky, irregularly shaped objects encountered in demolition, industrial, construction, recycling, storm debris clean-up, landscaping and other aggressive applications.

  • Adjustable Link

    Adjustable Link

    Three position link that allows the thumb to be used with a wide range of varying sized objects.

  • Durable Tines

    Durable Tines

    Tines made of T1 steel resist bending and abrasion against some of the hardest materials, like rocks or concrete.

  • Retractable Thumb

    Retractable Thumb

    Retractable thumb allows normal bucket loading when not in use.

  • Cross-Tube Design

    Cross-Tube Design

    Maintains rigidity while offering optimized visibility for better site into bucket when lifting irregular loads.

  • Thumb Tine Spacing

    Thumb Tine Spacing

    Optimized tine and bucket tooth spacing allows thumb and bucket to mesh together without interference. Different width buckets can be used with the same thumb for maximum flexibility.

Specifications

Units for specifications

General

Number of Teeth/Tines 2/2
Overall Width 17.9 in 454 mm
Length 34.4 in 873 mm
Stored Height 17 in 433 mm
Weight 330.7 lb 150 kg
Rotation 63 degrees
Tine Spacing 15.5 in 394 mm
Tine Thickness 1 in 25 mm
Tines Included Yes
Machine Class 415-444 Backhoe Loaders
Interface Type Pin On

Videos

  • Cat® Cat Thumbs at Work
  • Cat® 1-Ton Thumb at Work
  • An Attachment for Every Job - Cat® Work Tool Attachments

Related Attachments