The Wacker RD12A features centerpoint articulation, double drum drive, internal vibration and a short wheelbase to make quick work of finish layers of driveways, parking lots, bicycle paths and a wide variety of other surfaces. Dimensions Operating Weight 2890 lbs. L x W x H 82" x 39" x 58" Drum Width 35.4" Operating System Engine 18 hp Honda Twin Performance Vibrating Drum Front Centrifugal Force 3000 lbs.