Skid Steer Attachments Tree Shear is a very heavy duty attachment. This Tree Shear will cut up to 12" in diameter trees with no struggle at all. The Skid Steer Attachment Tree Shear can clear out wooded areas, get rid of unwanted trees, tree limbs, and cut away brush. The power attachment cuts with a 1" thick AR400 blade. It has 30 tons of shearing force. This attachment will not let you down and will get the job done fast each time.