Patented oil-injection system offers a no-mix system providing convenience and reliable performance. Fuel to oil ratio of 120:1 allows for longer and cleaner running times, up to 100 hours on a single tank of oil. Low oil shutdown prevents running the rammer without oil for trouble free operation. Powered by the exclusive WM 80, two-stroke engine, specifically designed by Wacker Neuson to withstand rugged rammer applications, meets all emission standards. Simple operation and easy starting. Unique four-stage air filtration system provides longer life and improved durability.