Ingersoll Rand

By Katie Weiler | September 28, 2010

Ingersoll Rand DD-12S tandem vibratory rollerThe DD-12S double-drum, front drum vibratory asphalt compactor allows operators to go where larger machines can't, according to the company. Designed for compacting hot mix asphalt, the unit is also equipped for effective soil sub-base and aggregate base applications. It delivers a centrifugal force of 3,300 pounds and is powered by a 16.1-hp Vanguard gasoline engine.