New | Thumbs

Cat® Thumbs transform your excavator into a versatile material handling machine. Clear, demolish, move... whatever you need to.

Pro Series Hydraulic Thumbs

Pro Series Hydraulic Thumbs (Pro and Pro Plus models) offer the best load control and are rugged enough for demolition, handling rip rap and other heavy-duty tasks.

ModelNumber Of TeethStored HeightOverall Width
Pro Plus, 3-tooth328.1 lb/in25 lb/inVIEW
Pro Plus, 3-tooth325.8 lb/in22.2 lb/inVIEW
Pro Plus, 4-tooth425.8 lb/in31.5 lb/inVIEW
Pro Plus, 4-tooth428.1 lb/in29.8 lb/inVIEW
Pro Plus, 5-tooth525.8 lb/in28.6 lb/inVIEW
Pro Plus, 5-tooth528.1 lb/in36.3 lb/inVIEW
Pro Plus, 6-tooth625.8 lb/in39.6 lb/inVIEW
Pro, 3-tooth325.9 lb/in22.2 lb/inVIEW
Pro, 3-tooth328.2 lb/in25 lb/inVIEW
Pro, 4-tooth428.2 lb/in29.8 lb/inVIEW
Pro, 4-tooth425.9 lb/in31.5 lb/inVIEW
Pro, 5-tooth525.9 lb/in28.6 lb/inVIEW
Pro, 5-tooth528.2 lb/in36.4 lb/inVIEW
Pro, 6-tooth625.9 lb/in39.6 lb/inVIEW

Stiff Link Thumbs

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

ModelNumber Of TeethWidthLength
401mm (15.8in) 3-tooth315.8 in58.6 inVIEW
460mm (18.1in) 3-tooth318.1 in75.5 inVIEW
460mm (18.1in) 3-tooth318.1 in75.5 inVIEW
490mm (19.3in) 3-tooth319.3 in80.9 inVIEW
545mm (21.5in) 4-tooth421.5 in58.5 inVIEW
545mm (21.5in) 4-tooth421.5 in58.6 inVIEW
601mm (23.7in) 3-tooth323.7 in81 inVIEW
606mm (23.8in) 4-tooth423.8 in75.5 inVIEW
606mm (23.9in) 4-tooth423.9 in75.5 inVIEW
679mm (26.7in) 4-tooth426.7 in59.3 inVIEW
679mm (26.7in) 4-tooth426.7 in58.6 inVIEW
729mm (28.7in) 4-tooth428.7 in80.9 inVIEW
732mm (28.8in) 4-tooth428.8 in75.5 inVIEW
732mm (28.8in) 4-tooth428.8 in75.5 inVIEW
756mm (29.8in) 4-tooth429.8 in81 inVIEW
837mm (33in) 4-tooth433 in80.9 inVIEW
900mm (35.4in) 4-tooth435.4 in81 inVIEW

Utility Thumbs

A cost-effective thumb design with hydraulic thumb control, combined with wide compatibility with machines, buckets and couplers.

ModelLengthStored HeightThumb Width
451-6380_302.4/302.7, PIN-ON30.8 in10.7 in11.2 inVIEW
ModelLengthOverall WidthStored Height
309-1938_303/303_.5/304, PIN-ON32.2 in15.2 in12.1 inVIEW
309-1917_303/303.5/304, PIN-ON32.2 in13.4 in12.2 inVIEW
309-1948_305/305_.5, PIN-ON37.7 in18.8 in11 inVIEW
290-6525_305/305.5, PIN-ON37.7 in15.2 in10.7 inVIEW
305-6741_308, PIN GRABBER49 in18 in21.9 inVIEW
305-6740_308, PIN-ON40.3 in18 in18.3 inVIEW
ModelLengthStored HeightOverall Width
311312314, Pin Grabber61.6 lb/in18.7 lb/in12.6 lb/inVIEW
311312314, Pin-On53.4 lb/in19.3 lb/in12.6 lb/inVIEW
315316318, Pin Grabber67.5 lb/in18.9 lb/in12.8 lb/inVIEW
315316318, Pin-On60.2 lb/in18.9 lb/in12.8 lb/inVIEW
318-329, Pin Grabber77.6 lb/in18.6 lb/in24.1 lb/inVIEW
318-329, Pin-On67.9 lb/in18.6 lb/in16 lb/inVIEW

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Our Hawthorne Sales Representative, Matt Higgins, knows what our needs are. We view him as an extension of our equipment business.
Mark Girard
Habitat Restoration Sciences

San Diego
Ross Farmer
Corporate Machinery
Sales Manager
858.674.7048 office
760.815.4094 mobile

Bobby Whitworth
General Manager
808.676.0353 office
808.864.5147 mobile