A na-ahazi SM1100 hydraulic crawler rigs rigs na rotary-percussion rotary head or nnukwu torque rotation type rotary head dị ka ihe ọzọ, ma kwadebe hama nke nwere oghere, nke emebere maka oghere dị iche iche. Ọ dabara maka ọnọdụ ala dị iche iche, dịka ọmụmaatụ akwa gravel, okwute siri ike, aquifer, ụrọ, eruba ájá wdg. A na -ejikarị rig a maka mkpọgharị percussion na mkpọgharị ntụgharị nkịtị na oru ngo nke nkwado nkwado, mkpọda na -akwado, nkwụsi ike. oghere mmiri ozuzo na ikpo obere ihe dị n'ime ala, wdg.