Proper coating adhesion requires proper surface preparation. It is critical to remove all surface contaminants to leave the surface clean, dry, properly profiled, and sound. These high-output drum-style scarifiers come with a 9 HP or 13 HP Honda engine, 8 in or 10 in maximum cut width, and larger selection of cutters — a reliable and cost-effective equipment for your next removal, leveling and, surface preparation contract.