Utility Thumbs Utility Thumb 2-tooth 612 mm (24 in): 633-1771

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Key Specs

Number of Teeth/Tines: 2; 2

Stored Height: 19.6 in; 497 mm

Overall Width: 24.1 in; 612 mm

Utility Thumb 2-tooth 612 mm (24 in): 633-1771
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Overview

Cat® Utility Thumbs are the ideal add-on to bring a new level of versatility to your Cat machines. Designed for specific excavator and bucket combinations, they help you take on more materials without compromising fuel efficiency. We built them to be an affordable solution to handle bulky materials whenever you need.

Features At A Glance

Cover 50% of the bucket’s rotation
For better machine stability and load capability use a Utility Thumb, which is up to 43% lighter over Pro Series Thumbs in some size classes
Improve visibility to the materials and in trenching applications with a narrower profile
Increase the productivity with periodic use where a bucket or rake alone would fall short

Works with bucket or rake to grab, pick, sort, and move materials
Utility Thumbs are universal to across range of bucket sizes, making them easier to pair to buckets in a mixed fleet
Secure materials between the thumb and bucket or rake with the unique curvature of the thumb and serrations on the tines
Get the best thumb for your tasks. With two tine configurations, select the best option for a wider grip or straddling the boom during transport.
Managing multiple attachments for a fleet is easier with a coupler system. Select thumb models are compatible with Cat Pin Grabber Couplers, allowing for machines of similar sizes to share thumbs and other attachments.

Easily controlled from cab separate from the bucket
Folds against machine boom for easy storage during travel or other activities
Simple installation, maintenance, and overall operation make thumbs a simpler, more affordable owning and operating choice than grapples

Boost Efficiency and Productivity with Integrated Technology

Never waste time looking for your thumbs again. Cat asset tracking is available for your attachments or anything in your fleet you need to track.
Track your entire fleet of attachments and machines from one source. View thumbs with asset tracking within VisionLink®alongside Product Link™subscribed equipment.
Keep your assets secure. Thumbs with an asset tracker send an alert if they leave an easy-to-setup site boundary.

Product Specifications for Utility Thumb 2-tooth 612 mm (24 in): 633-1771

Number of Teeth/Tines	2 2
Stored Height	19.6 in 497 mm
Overall Width	24.1 in 612 mm
Weight	1075 lb 488 kg
Length	77.6 in 1970 mm
Rotation	Cover 50 percent of the bucket's rotation Cover 50 percent of the bucket's rotation
Tines Included	Yes Yes
Machine Class	19 to 35 ton excavators 19 to 35 ton excavators
Interface Type	Pin Grabber Pin Grabber

Product Specifications for Utility Thumb 2-tooth 612 mm (24 in): 633-1771

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Number of Teeth/Tines	2 2
Stored Height	19.6 in 497 mm
Overall Width	24.1 in 612 mm
Weight	1075 lb 488 kg
Length	77.6 in 1970 mm
Rotation	Cover 50 percent of the bucket's rotation Cover 50 percent of the bucket's rotation
Tines Included	Yes Yes
Machine Class	19 to 35 ton excavators 19 to 35 ton excavators
Interface Type	Pin Grabber Pin Grabber