2011 New Style Single Drum Road Rollerwith strongpower,high efficiency,low failure rate,low oil consumption. 2011 New Style Single Drum Road Roller: Scope of applicationHydraulic heavy duty vibratory rollers are suitable for compaction of non-cohesive materials such as gravel, crushed stone, sand-macadam mixture, sandy soil and rock filling etc. on base course, sub-base and embankment fill ...