Working in the harsh conditions of a Kalimantan coal mine means facing constant wear and tear on heavy machinery. This video captures a common but frustrating mechanical failure: a completely broken track roller on an excavator's undercarriage. Watch the field mechanics prep the machine for a tough, muddy repair job right in the middle of the pit.
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heavy equipment, excavator repair, track roller, undercarriage failure, mining machinery, kalimantan mining, volvo excavator, mechanic vlog, broken parts, coal mining indonesia, maintenance
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