The Blastrac 2-20DT walk-behind shot blasting machine is a professional heavy duty machine. It is equipped with two powerful blast motors and is ideal for large sized surface preparation applications. The Blastrac 2-20DT is equipped with its own height adjusting system for easy transportation. In addition, its drive motor for self-propelled operation helps maintain speed on ramps and inclines. Whether improving traction and skid resistance or prepping for coatings and overlays, the versatile Blastrac 2-20DT strips, cleans and profiles concrete and asphalt, or horizontal steel surfaces in one easy step.