... 1.JZM500 portable concrete mixer 2.Smooth running,easy operation 3.Great mixing quality 4.High efficiency18-20m3 JZM500 ... has adopted rubber roller friction drive, with low noise, smooth operation, convenient to remove, great mixing quality, high efficiency.It ... Towing Speed14km/h14km/h13km/h DischargeHeight800mm800mm1500mm1800mm low noise, smooth operation,high efficiency , Concrete Mixer for JZM500