... , for underground gold mining, copper mining, coal mining, tunnel making etc. Underground Loader - railedSuitable for tunnel size: 2 ... 2m and above in underground metal or non-metal ore mining, hydro tunnel making, coal miningCapacity: 80, 100, 120, 160, ... motors.Flame-proof models for coal mining availalble for coal mining Mining Loader on rail base for metal ore mining like zinc led copper gold ...