EXCAVATOR ROTATING GRAB 11.Design and manufacture Buckets 2.Komatsu, ... 5T ExcavatorMaterial: Q345B+NM400Install motor under the habger plates, drive the Grab 360 degree rotating, no limited grab. Use ... arm, boom, long reach boom, swing macinery, swing motor, final drive, travel motor, travel reducer, arm cylinder, boom cylinder, bucket ... 4)Consummate afterservice 5)Can be OEM; EXCAVATOR ROTATING GRAB