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Stiff Link Thumbs

The Caterpillar Stiff Link Thumb is a cost-effective, high-performance addition to Cat Hydraulic Excavators. Featuring a rigid link and a multiple-position bracket, the Stiff Link Thumb works with the bucket to easily pick up, handle and load irregular or loose materials.
Name No. of Teeth Width Linkage Family
226-1780 2 12 in 307
226-2835 2 13 in C
226-1782 3 14 in 307
226-1776 2 18 in D
225-9588 3 19 in 315
226-2829 3 21 in C
226-1765 4 25 in D
226-1773 2 25 in D
226-2918 2 25 in B
229-8407 2 25 in C
226-2775 4 26 in C
226-1762 2 27 in 315
225-6954 4 27.56 in 315
226-1813 4 31 in C
226-5048 4 31 in C
229-8403 2 31 in C
225-6031 4 32 in D
225-6031 4 32 in DB
226-1767 2 32 in D
225-6030 3 36 in D
225-6032 2 36 in D