... level swing assy, 2nd level swing assy Available hydraulic motor as below:GM23,GM30F,GM30H,GM35VA,SG04,SG08,M2X96,M2X120 ... ,50H,30A,30AS,50AS,50AC,50AM,50ASM Guangzhou Mottrol Construction Machinery Co., Ltd. is located in Zhuji Industrial Zone Dongpu ... Guangzhou China. Supply the excavator parts of CATERPILLAR,VOLVO,KOMATSU,HITACHI,KOBELCO,KATO,SUMITOMO,HYUNDAI,DOOSAN,DAEWOO ...