Hydraram HDG180R, Demolition & Sorting Grapples HDG-180R Grab 18 to 28 ton machines . WE will change head bracket to suit your machine. All HDG demolition and sorting grabs are equipped with an oversized slewing ring. This feature makes all of our HDG models extremely good for the heaviest applications, especially heavy demolition work. equipped with two rotary motors. A big advantage of this is a much better distribution of power on the slewing ring. The grabs are very maneuverable thanks to the 360° hydraulic rotation, making them applicable in a wide range of sorting and scrapping operations. The HDG demolition and sorting grabs are equipped with end dampening cylinders, which cause the shells to close more softly. This dampens the shock caused by the collision of the two shells, reducing the impact it can have on the frame of the grabs and the excavator.