Toro also make the ProPass series of self-powered turf top dressers. Forget the guesswork involved in calculating the spread of delivery. The ProPass top dressers use a broadcast style spreader, and a unique drop zone system to give an unprecedented degree of control over the spread pattern. The unique “walking beam” suspension ensures that all wheels are in contact with the ground at all times, even over the most undulating terrain, while even load distribution ensures a light footprint.