... , KS200D, KS220S, KS140D,KS120, KS120PD KS180S Single Drum vibratory roller--fully-hydraulic economy single drive vibratory roller,which is mainly suited ... Vibratory SystemImported Vibration Bearing, “3Prevention” Electric PlugsFully- hydraulic Transmission and Fully Electrical-hydraulic ControlTwo-level Infinitely Variable Speed DrivingDouble Frequency and ...