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Loading Machine Operators, Underground Mining - 53-7033.00

O*NET-SOC Description

Operate underground loading machine to load coal, ore, or rock into shuttle or mine car or onto conveyors. Loading equipment may include power shovels, hoisting engines equipped with cable-drawn scraper or scoop, or machines equipped with gathering arms and conveyor.

Sample of Reported Job Titles

  • Load Haul Dump Operator (LHD Operator)
  • Loader Operator
  • Loading Machine Operator
  • Miner
  • Miner Operator
  • Muck Hauler
  • Production Miner
  • Shuttle Car Operator
  • Under Ground Miner

SOC Occupation Groups

53-0000 Transportation and Material Moving Occupations
53-7000 Material Moving Workers
53-7030 Dredge, Excavating, and Loading Machine Operators
53-7033.00 Loading Machine Operators, Underground Mining

Related Occupations


  • Advance machines to gather material and convey it into cars.
  • Clean hoppers, and clean spillage from tracks, walks, driveways, and conveyor decking.
  • Drive machines into piles of material blasted from working faces.
  • Estimate and record amounts of material in bins.
  • Inspect boarding and locking of open-top box cars and wedging of side-drop and hopper cars to prevent loss of material in transit.
  • Move trailing electrical cables clear of obstructions, using rubber safety gloves.
  • Notify switching departments to deliver specific types of cars.
  • Observe and record car numbers, carriers, customers, tonnages, and grades and conditions of material.
  • Oil, lubricate, and adjust conveyors, crushers, and other equipment, using hand tools and lubricating equipment.
  • Operate levers to move conveyor booms or shovels so that mine contents such as coal, rock, and ore can be placed into cars or onto conveyors.
  • Pry off loose material from roofs and move it into the paths of machines, using crowbars.
  • Replace hydraulic hoses, headlight bulbs, and gathering-arm teeth.
  • Signal workers to move loaded cars.
  • Start conveyor booms and gathering-arm motors, and operate winches to position cars under boom conveyors for loading.
  • Stop gathering arms when cars are full.

Detailed Work Activities

  • Calculate weights, volumes or other characteristics of materials.
  • Clean machinery or equipment.
  • Communicate with others to coordinate vehicle movement.
  • Inspect locomotives or other railroad equipment.
  • Maintain material moving equipment in good working condition.
  • Move materials, equipment, or supplies.
  • Operate conveyors or other industrial material moving equipment.
  • Operate cranes, hoists, or other moving or lifting equipment.
  • Operate excavation equipment.
  • Position material handling equipment.
  • Record operational or production data.
  • Remove debris or damaged materials.
  • Signal others to coordinate vehicle movement.

Military Crosswalk Titles

No information available.

Apprenticeship Crosswalk Titles

No information available.

DOT Crosswalk Titles

  • Loading-Machine Operator
  • Mechanical-Shovel Operator