A new line of rigs designed for cutter soil mixing (CSM) is available through Casagrande USA Inc. The new rigs feature soil-mixing drums mounted on a dual-motor frame, which is connected to the base carrier by a special kelly bar. The drums, or cutters, are available in 8-foot and 9.3-foot diameters, and in a number of widths, ranging from 20 inches to 42 inches. The cutting tools mount on a variety of Casagrande base carriers, and deliver soil mixing at depths ranging from 55 feet to 100 feet with a TD Kelly bar, and from 75 feet to 115 feet with an HTGD Kelly bar.
Casagrande USA Inc., Card No. 99