... 11.Design and manufacture Buckets 2.Komatsu, Kobelco, Caterpillar, Hitachi, Daewoo 3.Good price Fit for 5T ExcavatorMaterial: Q345B+ ... , arm, boom, long reach boom, swing macinery, swing motor, final drive, travel motor, travel reducer, arm cylinder, boom cylinder, bucket cylinder ... spring, idler, track roller, sprocket, carrier roller and so on. Almost all of the parts for komatsu excavators PC50-PC450 ...