... 2.Slewing range: 360 degrees 3.Motor power: 5.5KW HG17M mobile concrete placing boom (driven by hydraulic) 1. The placing ... no disturbance to other jobs and easy maintenance. 4. The HG17M is well fit for the construction of different floors and ... (mm)125 Total weight (t)Without counterweight4.9With counterweight7.0 HG17M mobile concrete placing boom