used atlantic hydraulic power shear HDS12-1/4 used atlantic hydraulic power shear HDS12-1/4 used atlantic hydraulic power shear HDS12-1/4 used atlantic hydraulic power shear HDS12-1/4 used atlantic hydraulic power shear HDS12-1/4 used atlantic hydraulic power shear HDS12-1/4 used atlantic hydraulic power shear HDS12-1/4