Liebherr 7028910 لـ حفارة Liebherr A309 Li/A311 Li /A312 Li /A314 Li/A316 Li /A900C Li /A904C Li/A914C li/A924C Li/A934C Li/A944C Li/A954C Li/R313 Li /R317 Li/R900C Li /R934 IND/R984C/R954C/R904C/R906 C/R906 LC/R906 NLC/R906 WLC/R914C/R914HDSL/R916 LC/R916 NLC/R916 SLC/R916 WLC/R916/R924 C/R924 COMPACT/R926 CL/R926 LC/R926 NLC/R926 WLC/R926 SLC/R934C/R944C Li/R954C/R964B/R964B-HD/R964C/R974B/R974C/R984C