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

Rigid-link connection between the thumb body and stick. Manually adjustable to three different working angles with a fourth position for stowing out of the way when not in use.  No hydraulics are required for this 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. Extra teeth are available at the time you order the thumb if more than 2 teeth are desired for the application.

Options

Extra tooth or teeth. 

Important Notes

Not compatible with coupler-equipped machines. Teeth are shipped loose and require field installation and 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.

  • ACS Weld-On Stiff Arm Thumb

Weld-On Stiff-Arm Thumb - Patriot Links

Tech Specs

  • The Kit

    Kit shown is Weld-On Hydraulic Thumb 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.
  • 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.
10
8-14 Metric Tons
17,600-30,800 lbs
7′ 2″ 862 lbs
15
14-18 Metric Tons
30,600-39,600 lbs
7′ 4″ 862 lbs
20
18-22 Metric Tons
39,600-48,400 lbs
7′ 4″ 1,050 lbs
25
22-28 Metric Tons
48,400-61,600 lbs
7′ 6″ 1,050 lbs
30
28-36 Metric Tons
61,600-79,200 lbs
7′ 9″ 1,291 lbs

Options

  • Extra Thumb Teeth

    Extra Thumb Teeth Extra teeth and gussets are available.
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