... frequencyHZ45Centrifugal forceKN28Overall dimensionmm3500*1390*2200Features of YZD-3.5 Mini Vibratory Roller/compactor :1)It is the first small-scale basis compacting ... backfill sand compaction,high-rise building basement soil compaction,residential road base compaction,all kinds of lawn compaction,repairing and use ... us now ! let's talk details ! Single drum Mini Vibratory Roller compactor YZD-3.5