Asphalt Spreader from Trench Grader Created: June 9, 2009 The asphalt spreader is available in three units and is designed for asphalt repairs. Grades and smooths asphalt in one pass12- to 72-in. adjustable chutes Up to 6-in. depths Want to know more about this product? Click here to request more information about Asphalt Spreader from Trench Grader .