454 mm (18 in) 2 Teeth/2 Tines

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Stiff Link Thumbs feature a rigid link.

Number of Teeth/Tines 2/2 2/2 Less
Overall Width 17.9 in 454.0 mm Less
Length 34.4 in 873.0 mm Less
Stored Height 17.0 in 433.0 mm Less
Weight 330.7 lb 150.0 kg Less
Rotation 63 degrees 63 degrees Less
Tine Spacing 15.5 in 394.0 mm Less
Tine Thickness 1.0 in 25.0 mm Less
Tines Included Yes Yes Less
Machine Class Backhoe Loaders Backhoe Loaders Less
Interface Type Pin On Pin On Less


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

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

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 allows normal bucket loading when not in use.

Cross-Tube Design

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

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.