Dace Excavator: 20-50ton sabis na musamman, saduwa da takamaiman buƙatu Siffofin samfur: Wear Resistant Excavator ma'adanin dutse guga na Rock / Hard ƙasa, A kan ma'auni na guga, kasan guga welded tare da kariya block, wanda ya sa guga jiki mafi m. Zaɓin ƙarfin ƙarfe mai ƙarfi yana haɓaka rayuwar samfurin sau da yawa; aikin tono ya fi kyau kuma tattalin arzikin ya fi fice. Ya dace da tono duwatsu masu wuya, ƙananan duwatsu masu ƙarfi da duwatsu masu yanayi da aka haɗe a cikin ƙasa; lodin duwatsu masu kauri da fashe-fashe da sauran ayyuka masu nauyi.