| When these situations occur, conventional methods of mechanical shield machines or excavator machines are used. |
| Controlled Demolition Group, in Cleckheaton, has designed a long reach excavator to allow the gasholders to be removed from ground level. |
| He mounts it on a Cat 350 excavator or a backhoe, and he most often fits it with shear blades. |
| Among the tools you may select direct from this manufacturer with the excavator are thumbs, grapples, shears, hammers, and crushers. |
| Kobelco offers the Blade Runner, which is a combination excavator and dozer. |
| It also allows the tracks of the excavator to remain parallel to the trench for efficient repositioning. |
