Big Horn Heavy Duty 3HP Wood Dust Collector, DC3000. Big Horn Dust Collector has 3 horsepower with an air speed of 1900CFM. This has the standard 6 inch intake and fits on almost any brand of machine that makes chips, wood dust, or debris. The collector comes with two clear lower bags so you can easily see when to empty them. It also has two large upper bags for premium ventilation.