The lightweight, compact Rattler vibrator runs on a gas-powered Honda GX35 engine that delivers 1 1/2 hp to vertical forms. Specially designed head features DOM CRS tubing that provides high-amplitude vibration at lower RPMs. Weighing 20 lbs., the vibrator uses shaft lengths ranging from 4 to 16 ft., and features steel-reinforced cable housing. Lindley Inc. 800-788-5997.