... vibratory roller designed for the compaction of asphalt concrete and cement concrete surface courses.Typical applications include high- ... site development, etc.♦The KMX12 Road Roller's key components and control systems, such as hydraulic pumps, motors, bearings, etc., ... drum infinitely variable speed drive, H/L vibratory frequencies and amplitudes, full hydraulic articulated steering etc.KMX12 Road ...