The Ring-O-Matic 550 HiCFM VacEx Hydroexcavator comes with a 50 hp CAT diesel engine and 1,000 cfm Gardner Denver positive displacement blower for potholing, sewer jetting, sump and catch basin cleaning, HDD job site support and mud management, construction site cleanup, and environmental cleanup. The Cyclo-Jet 2-in-1 Pothole Excavator attachment can safely dig a 3-foot hole in 30 seconds, making it ideal for contractors looking to locate underground utilities quickly and safely. 800/544-2518; www.ring-o-matic.com.