Excavator Hydraulic PowerThumb JCB3DX PC55 EX12 EX15 PC35 Excavator Thumb for 4 Tons to 20 Tons Excavator

Excavator Hydraulic PowerThumb JCB3DX PC55 EX12 EX15 PC35 Excavator Thumb for 4 Tons to 20 Tons Excavator

What is a hydraulic thumb on excavator?
With an AMI Attachments Hydraulic Thumb, your excavator goes from digging to complete material handling. A Hydraulic Thumb makes it easier to pick, hold and move awkward material such as rocks, concrete, branches, and debris that does not fit into the bucket.

Where to mount a thumb on an excavator?
Center the base plate horizontally (side to side) on the excavator arm. Clamp the base plate in place ensuring that it is flat against the arm on all sides. Tack the base plate in 4 to 6 places on each side. Mount the thumb and stabilizer arm by placing the top stabilizer pin in the rear hole of the adjustment bracket.

What is the difference between excavator thumb and grab?
A hydraulic thumb is however not a suitable replacement for a hydraulic grab, it does not allow bucket rotation as you are using the bucket to grab against. it also has a smaller range of rotation and cannot be positioned as well to suit a wide range of grabbing when compared to a hydraulic grab.

Application
This facilitates your work and makes you flexible to
take on a variety of challenging new jobs.
Main features
●Multipurpose, simple auxiliary device,lower cost,
higher efficiency.
●Easy to install and operate. We make it according
to your machine

Made of Q345 manganese plate steel, with high strength and wear resistance;
The oil cylinder adopts honing tube and imported HALLITE oil seal, with short working cycle and long service life;