Skip navigation

Loading and Moving Machine Operators, Underground Mining - 47-5044.00

O*NET-SOC Description

Operate underground loading or moving machine to load or move coal, ore, or rock using shuttle or mine car or conveyors. 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

  • Coal Hauler Operator
  • Equipment Operator
  • Load Haul Dump Operator (LHD Operator)
  • Loader Operator
  • Loading Machine Operator
  • Miner Operator
  • Production Miner
  • Ram Car Operator
  • Shuttle Car Operator
  • Underground Miner

SOC Occupation Groups

47-0000 Construction and Extraction Occupations
47-5000 Extraction Workers
47-5040 Underground Mining Machine Operators
47-5044.00 Loading and Moving 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.
  • Clean, fuel, service, and perform safety checks on all equipment, and repair and replace parts as necessary.
  • Control conveyors that run the entire length of shuttle cars to distribute loads as loading progresses.
  • Direct other workers to move stakes, place blocks, position anchors or cables, or move materials.
  • Drive loaded shuttle cars to ramps and move controls to discharge loads into mine cars or onto conveyors.
  • Drive machines into piles of material blasted from working faces.
  • Examine roadway and clear obstructions from the path of travel.
  • Guide and stop cars by switching, applying brakes, or placing scotches, or wooden wedges, between wheels and rails.
  • Handle high voltage sources and hang electrical cables.
  • Inspect boarding and locking of open-top box cars and wedging of side-drop and hopper cars to prevent loss of material in transit.
  • Maintain records of materials moved.
  • Measure, weigh, or verify levels of rock, gravel, or other excavated material to prevent equipment overloads.
  • Monitor loading processes to ensure that materials are loaded according to specifications.
  • Move mine cars into position for loading and unloading, using pinchbars inserted under car wheels to position cars under loading spouts.
  • 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.
  • Observe hand signals, grade stakes, or other markings when operating machines.
  • Oil, lubricate, and adjust conveyors, crushers, and other equipment, using hand tools and lubricating equipment.
  • Open and close bottom doors of cars to dump contents.
  • 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.
  • Push or ride cars down slopes, or hook cars to cables and control cable drum brakes, to ease cars down inclines.
  • Read written instructions or confer with supervisors about schedules and materials to be moved.
  • Replace hydraulic hoses, headlight bulbs, and gathering-arm teeth.
  • Signal workers to move loaded cars.
  • Stop gathering arms when cars are full.

Detailed Work Activities

  • Clean equipment or supplies.
  • Clean machinery or equipment.
  • Communicate with others to coordinate material handling or movement.
  • Communicate with others to coordinate vehicle movement.
  • Connect cables or electrical lines.
  • Direct material handling or moving activities.
  • Inspect equipment or facilities to determine condition or maintenance needs.
  • Inspect locomotives or other railroad equipment.
  • Install electrical components, equipment, or systems.
  • Maintain material moving equipment in good working condition.
  • Measure product or material dimensions.
  • Monitor loading processes to ensure they are performed properly.
  • Move materials, equipment, or supplies.
  • Operate conveyors or other industrial material moving equipment.
  • Operate equipment or vehicles to clear construction sites or move materials.
  • Operate excavation equipment.
  • Operate locomotives or other rail vehicles.
  • Operate vehicles or material-moving equipment.
  • Perform manual service or maintenance tasks.
  • Position material handling equipment.
  • Record operational or production data.
  • Remove debris from work sites.
  • Remove debris or damaged materials.
  • Review work orders or schedules to determine operations or procedures.
  • Signal others to coordinate vehicle movement.
  • Verify information or specifications.
  • Weigh materials to ensure compliance with specifications.

Military Crosswalk Titles

  • Engineer Equipment Operator (Marine Corps - Enlisted)
  • Equipment Operator (Navy - Enlisted)
  • Quarrying Specialist (RC) (Army - Enlisted)

Apprenticeship Crosswalk Titles

No information available.

DOT Crosswalk Titles

  • Loading-Machine Operator
  • Mechanical-Shovel Operator
  • Shuttle-Car Operator