The Masterfinish Drive Unit will drive most makes of flexible vibration shafts and pumps. Made with a heavy-duty steel frame and spring or rubber vibrating motor mounts for extra durablility. Heavy-duty 3-tooth drive dog and housing makes for a quick action connection. Dished steel base for increased mobility on site. Powered by genuine Yanmar L48N diesel engine. Local parts and service. 12 month machine warranty.