Weld-On Hydraulic Thumb - Patriot

Weld-On Thumbs are now available in the Patriot product line for select OEMs including Case, Komatsu, Doosan, Volvo, and John Deere.

Patriot Weld-On Hydraulic Thumbs are designed to be universal — one thumb will install on any model excavator within the same class size.  This cuts the cost of customization out of the manufacturing process and provides a quality built thumb at significant savings.

The hydraulic thumb provides operators the efficiency of controlling thumb-travel from the cab.  An optional ACS Thumb Activation Package is available for excavators not already plumbed for a hydraulic thumb.

Comes standard with (2) serrated teeth crafted from tough, abrasion resistant HX400 material. The teeth can be trimmed to length to match your bucket tooth spacing as well as the bucket tip radius. The teeth provided are long enough to cover the extended tip radius of coupler equipped machines as well. Full Installation guidelines are included with your Patriot Thumb. Extra teeth are available at the time you order the thumb if more than 2 teeth are desired for the application.

If you’re adding this to a coupler-equipped machine, let us know and we’ll include extra-long teeth to cover the extended tip-radius of coupler-equipped machines.

Important Notes

Not compatible with coupler-equipped machines.  Two teeth are provided, shipped loose and require field installation & custom length trimming to optimize lacing with existing bucket teeth.  Shipping this way allows ACS to remove the cost of customization and provide a quality built thumb at significant savings to you.

  • Illustration of an Patriot Hydraulic Weld-On Excavator Thumb

Weld-On Hydraulic Thumb - Patriot Links

Tech Specs

  • The Kit

    Kit shown with loose teeth and gussetsView Larger Your Patriot Weld-On Thumb kit ships with the teeth and gussets loose so that you can tailor it on-site to lace with the teeth on your bucket.

Machine Requirements

Weld-On Thumbs are not compatible with coupler-equipped machines. Machine must have third-function hydraulics to actuate thumb cylinder. Patriot HD Excavator Buckets Now Available for Select OEM Models:
  • Case
  • Doosan
  • John Deere
  • Komatsu
  • Volvo
Thumb Size Table
Class Minimum Stick Length Weight
US Pounds
All weights are approximate. Weights are estimated assuming no add-ons, options or payloads.
8-14 Metric Tons
17,600-30,800 lbs
7′ 2″ 862 lbs
14-18 Metric Tons
30,600-39,600 lbs
7′ 4″ 862 lbs
18-22 Metric Tons
39,600-48,400 lbs
7′ 4″ 1,050 lbs
22-28 Metric Tons
48,400-61,600 lbs
7′ 6″ 1,050 lbs
28-36 Metric Tons
61,600-79,200 lbs
7′ 9″ 1,291 lbs


  • Extra Thumb Teeth

    Extra Thumb Teeth Extra teeth and gussets are available.
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