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Caterpillar Company Logo   Caterpillar Excavator Thumbs

You can handle almost any job with wide variety of Caterpillar Thumbs for our Cat© hydraulic excavators.

Thumbs

CAT Thumbs Attachment


Model Number of Teeth Stored Height (in) Overall Width (in)
Pro Series Hydraulic Thumbs      
Pro Plus, 3 Tooth 3 28.1 25
Pro Plus, 3 Tooth 3 25.8 22.2
Pro Plus, 3-Tooth, Center Lock 3 28.7 23.3
Pro Plus, 3-Tooth, Center Lock 3 25.3 20.3
Pro Plus, 4 Tooth 4 25.8 31.5
Pro Plus. 4 Tooth 4 28.1 29.8
Pro Plus, 4-Tooth, Center-Lock 4 25.3 31.5
Pro Plus, 5-Tooth 5 25.8 28.6
Pro Plus, 5-Tooth 5 28.1 36.3
Pro Plus, 5-Tooth Center-Lock 5 28.7 36.3
Pro Plus, 6-Tooth 6 25.8 39.6
Pro Plus, 6-Tooth Center-Lock 6 25.3 39.6

Stiff Link Thumbs

Model Number of teeth Width (in) Length (in)
294 MM 2 tooth 2 11.6 40.3
294 MM 2 tooth 2 11.6 49.0
401 MM 3 tooth 3 15.8 58.6
460 MM 3 tooth 3 18.1 75.5
490 MM 3 tooth 3 19.3 80.9
545 MM 4 tooth 4 21.5 58.5
601 MM 3 tooth 3 23.7 81.0
606 MM 4 tooth 4 23.8 75.5
606 MM 4 tooth 4 23.9 75.5
679 MM 4 tooth 4 26.7 59.3
679 MM 4 tooth 4 26.7 58.6
729 MM 4 tooth 4 28.7 80.9
732 MM 4 tooth 4 28.8 75.5
756 MM 4 tooth 4 29.8 81.0
837 MM 4 tooth 4 33.0 80.9
900 MM 4 tooth 4 35.4 81.0

Utility Thumbs

CAT Utility Thumb Attachment

Model/ Machine (excavators) Length (in) Stored Height (in) Overall width (in)
302.4/302.7 Pin On 30.8 10.7 14.68
303/303.5/304 Pin On 32.2 12.2 13.4
303/303.5/304 Pin On 32.2 12.1 15.2
305/305.5 Pin On 37.7 10.7 15.2
305/305.5 Pin On 37.7 11.0 18.8
308 Pin On 40.3 18.3 18.0
308 Pin Grabber 49.0 21.9 18.0
311/312/314, Pin On 53.4 19.3 12.6
315/316/318 Pin Grabber 67.5 18.9 12.8
315/316/318, Pin On 60.2 18.9 12.8
318-329, Pin Grabber 77.6 18.6 24.1
318-329 Pin On  67.9 18.6 16.0


For more information on CAT Thumb Attachments

please contact us at 305-592-5360

Or email us at:   productsupport@kellytractor.com