Heavy Duty Vibratory Roller ( LT220B) is single-drum vibratory roller Operating mass: ... : 450 N/cm LT220B,LT218B,LT216B,LT214,LT212,LT210 eavy duty vibratory rollers effect powerful centrifuga force and great static linear ... as high-class highways, mines, dams, airports, harbors, railways and industrial areas etc.Main Features Mechanical travel drive, double amplitude, hydraulic ...