... SR12-5 fully hydraulic vibratory roller has the following features: 1. Fully hydraulic, double drive, double gear continuous variable ... towing;5. Main parts such as the hydraulic pumps, motor, drive axles, vibration bearings, pipes and joints all use world ... SD22, SD23, SD32, SD42,TY160, TY220, TY230, TY320 road roller seriesSR12, SR18, SR20, SR22 loader seriesSL30, SL50, SL60 undercarriageOur ...