1, Excavator Arm, Excavator Boom, Long Reach Boom and Arm 2, Design and Manufacture ... Such as the excavator arm, excavator boom, long reach arm and boom.Not only standard excavator arm and boom ... can be manufactured, the long reach boom can be designed according to your needs. such ... 18.6m, 21.4m and so on. The long reach booms is provided together with the cylinder, the bucket, ...