The SW990 double-drum, high-frequency vibratory asphalt roller offers a drum width of 84 in. and 4,000 vpm to allow for 10 to 12 impacts per foot at 4.55 mph. 166-hp Deutz TCD2012L06-2V ...

As the roller compacts and flattens the surface, it will vibrate and increase the compactive effort. Double drum vibratory rollers operate close behind the paver to obtain the initial compactive ...