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Engine and Other Machine Assemblers - 51-2031.00

O*NET-SOC Description

Construct, assemble, or rebuild machines, such as engines, turbines, and similar equipment used in such industries as construction, extraction, textiles, and paper manufacturing.

Sample of Reported Job Titles

  • Assembler
  • Assembly Line Worker
  • Cell Technician
  • Engine Assembler
  • Engine Builder
  • Field Service Technician
  • Fitter
  • Large Engine Assembler
  • Machine Assembler
  • Mechanical Assembler

SOC Occupation Groups

51-0000 Production Occupations
51-2000 Assemblers and Fabricators
51-2030 Engine and Other Machine Assemblers
51-2031.00 Engine and Other Machine Assemblers

Related Occupations

Tasks

  • Assemble systems of gears by aligning and meshing gears in gearboxes.
  • Fasten or install piping, fixtures, or wiring and electrical components to form assemblies or subassemblies, using hand tools, rivet guns, or welding equipment.
  • Inspect, operate, and test completed products to verify functioning, machine capabilities, or conformance to customer specifications.
  • Lay out and drill, ream, tap, or cut parts for assembly.
  • Maintain and lubricate parts or components.
  • Position or align components for assembly, manually or using hoists.
  • Read and interpret assembly blueprints or specifications manuals, and plan assembly or building operations.
  • Remove rough spots and smooth surfaces to fit, trim, or clean parts, using hand tools or power tools.
  • Rework, repair, or replace damaged parts or assemblies.
  • Set and verify parts clearances.
  • Set up and operate metalworking machines, such as milling or grinding machines, to shape or fabricate parts.
  • Verify conformance of parts to stock lists or blueprints, using measuring instruments such as calipers, gauges, or micrometers.

Detailed Work Activities

  • Align parts or workpieces to ensure proper assembly.
  • Apply lubricants or coolants to workpieces.
  • Assemble electromechanical or hydraulic systems.
  • Cut industrial materials in preparation for fabrication or processing.
  • Drill holes in parts, equipment, or materials.
  • Inspect installed components or assemblies.
  • Lay out parts to prepare for assembly.
  • Measure dimensions of completed products or workpieces to verify conformance to specifications.
  • Operate grinding equipment.
  • Operate metal or plastic forming equipment.
  • Plan production or operational procedures or sequences.
  • Repair parts or assemblies.
  • Replace worn equipment components.
  • Review blueprints or other instructions to determine operational methods or sequences.
  • Set equipment guides, stops, spacers, or other fixtures.
  • Smooth metal surfaces or edges.

Military Crosswalk Titles

  • Advanced Machinery Repairman (Navy - Enlisted)
  • Aerospace Ground Equipment (Air Force - Enlisted)
  • Aerospace Ground Equipment Apprentice (Air Force - Enlisted)
  • Aerospace Ground Equipment Craftsman (Air Force - Enlisted)
  • Aerospace Ground Equipment Helper (Air Force - Enlisted)
  • Aerospace Ground Equipment Journeyman (Air Force - Enlisted)
  • Aerospace Ground Equipment Superintendent (Air Force - Enlisted)
  • Aerospace Propulsion (Air Force - Enlisted)
  • Aerospace Propulsion Apprentice (Air Force - Enlisted)
  • Aerospace Propulsion Apprentice, F100, F119, F135Jet Engines (F-15, F16, F-22 aircraft) (Air Force - Enlisted)
  • Aerospace Propulsion Apprentice, F101, F110, F118, TF34 Jet Engines (A-10, B-1, B-2, F-16, U-2 aircraft) (Air Force - Enlisted)
  • Aerospace Propulsion Apprentice, TF33, CF6, F103, F108, F117, TFE-731, TF39, PW 2040, F138 Jet Engines (Airlift, Special Mission, and B-52 aircraft) (Air Force - Enlisted)
  • Aerospace Propulsion Apprentice, Turboprop andTurboshaft Propulsion (helicopter, propeller, tiltrotor aircraft) (Air Force - Enlisted)
  • Aerospace Propulsion Craftsman, F100, F101, F110, F118, F119, F135, TF34 Jet Engines (A-10, B-1, B-2, F-15, F-16, F-22, F-35, U-2 aircraft) (Air Force - Enlisted)
  • Aerospace Propulsion Craftsman, TF33, CF6, F103, F108, F117, TFE-731, TF39, PW 2040, F138 Jet Engines (Airlift, Special Mission, and B-52 aircraft) (Air Force - Enlisted)
  • Aerospace Propulsion Craftsman, Turboprop andTurboshaft Propulsion (helicopter, propeller, tiltrotor aircraft) (Air Force - Enlisted)
  • Aerospace Propulsion Helper (Air Force - Enlisted)
  • Aerospace Propulsion Helper, F100, F119, F135Jet Engines (F-15, F16, F-22 aircraft) (Air Force - Enlisted)
  • Aerospace Propulsion Helper, F101, F110, F118, TF34 Jet Engines (A-10, B-1, B-2, F-16, U-2 aircraft) (Air Force - Enlisted)
  • Aerospace Propulsion Helper, TF33, CF6, F103, F108, F117, TFE-731, TF39, PW 2040, F138 Jet Engines (Airlift, Special Mission, and B-52 aircraft) (Air Force - Enlisted)
  • Aerospace Propulsion Helper, Turboprop andTurboshaft Propulsion (helicopter, propeller, tiltrotor aircraft) (Air Force - Enlisted)
  • Aerospace Propulsion Journeyman, F100, F101, F110, F118, F119, F135 Jet Engines (Air Force - Enlisted)
  • Aerospace Propulsion Journeyman, TF33, CF6, F103, F108, F117, TFE-731, TF39, PW 2040, F138 Jet Engines (Airlift, Special Mission, and B-52 aircraft) (Air Force - Enlisted)
  • Aerospace Propulsion Journeyman, Turboprop andTurboshaft Propulsion (helicopter, propeller, tiltrotor aircraft) (Air Force - Enlisted)
  • Aerospace Propulsion Superintendent (Air Force - Enlisted)
  • AH-64 Attack Helicopter Repairer (Army - Enlisted)
  • Aircraft Maintenance (Fixed-Wing) (Marine Corps - Enlisted)
  • Aircraft Maintenance (Rotary-Wing) (Marine Corps - Enlisted)
  • Aircraft Powerplant Repairer (Army - Enlisted)
  • Aircraft Powertrain Repairer (Army - Enlisted)
  • Airlift/Special Mission Aircraft Maintenance (Air Force - Enlisted)
  • Airlift/Special Mission Aircraft Maintenance Apprentice (Air Force - Enlisted)
  • Airlift/Special Mission Aircraft Maintenance Apprentice, C-130/C-27J (Air Force - Enlisted)
  • Airlift/Special Mission Aircraft Maintenance Apprentice, C-17 (Air Force - Enlisted)
  • Airlift/Special Mission Aircraft Maintenance Apprentice, C-20/C-21/C-22/C-37/C-40/E-4/VC-25 (Air Force - Enlisted)
  • Airlift/Special Mission Aircraft Maintenance Apprentice, C-5 (Air Force - Enlisted)
  • Airlift/Special Mission Aircraft Maintenance Craftsman (Air Force - Enlisted)
  • Airlift/Special Mission Aircraft Maintenance Helper (Air Force - Enlisted)
  • Airlift/Special Mission Aircraft Maintenance Helper, C-130/C-27J (Air Force - Enlisted)
  • Airlift/Special Mission Aircraft Maintenance Helper, C-17 (Air Force - Enlisted)
  • Airlift/Special Mission Aircraft Maintenance Helper, C-20/C-21/C-22/C-37/C-40/E-4/VC-25 (Air Force - Enlisted)
  • Airlift/Special Mission Aircraft Maintenance Helper, C-5 (Air Force - Enlisted)
  • Airlift/Special Mission Aircraft Maintenance Journeyman, C-130/C-27J (Air Force - Enlisted)
  • Airlift/Special Mission Aircraft Maintenance Journeyman, C-17 (Air Force - Enlisted)
  • Airlift/Special Mission Aircraft Maintenance Journeyman, C-20/C-21/C-22/C-37/C-40/E-4/VC-25 (Air Force - Enlisted)
  • Airlift/Special Mission Aircraft Maintenance Journeyman, C-5 (Air Force - Enlisted)
  • Allied Trades Specialist (Army - Enlisted)
  • Automotive Maintenance Warrant Officer (Army - Warrant Officer only)
  • Aviation Machinist's Mate (Navy - Enlisted)
  • Aviation Maintenance Technician (Coast Guard - Enlisted)
  • Aviation Structural Mechanic (Navy - Enlisted)
  • Basic Aircraft Maintenance (Rotory-Wing) (Marine Corps - Enlisted)
  • Construction Equipment Repairer (Army - Enlisted)
  • Engineer Equipment Maintenance Warrant Officer (Army - Warrant Officer only)
  • Engineer Equipment Operator (Marine Corps - Enlisted)
  • Engineman (Navy - Enlisted)
  • Enlisted Aircrew/Aerial Observer/Gunner (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Airframe Mechanic, AV-8/TAV-8 (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Airframe Mechanic, F-35 (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Airframe Mechanic, F/A-18 (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Airframe Mechanic, KC-130 (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Airframe Mechanic-Trainee (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Crew Chief, C-40A (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Flight Engineer, KC-130 (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Loadmaster, C-40A (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Loadmaster, KC-130 (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Mechanic, AV-8/TAV-8 (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Mechanic, F-35 (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Mechanic, F/A-18 (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Mechanic, KC-130 (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Power Plants Mechanic, F-402 (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Power Plants Mechanic, F-404 (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Power Plants Mechanic, J-52 (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Power Plants Mechanic, T-56 (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Safety Equipment Mechanic, AV-8/TAV-8 (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Safety Equipment Mechanic, F-35 (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Safety Equipment Mechanic, F/A-18 (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Safety Equipment Mechanic, KC-130/V-22 (Marine Corps - Enlisted)
  • Fixed-Wing Aircraft Safety Equipment Mechanic-Trainee (Marine Corps - Enlisted)
  • Fixed-Wing Transport Aircraft Specialist, C-20 (Marine Corps - Enlisted)
  • Gas Turbine System Technician (Mechanical) (Navy - Enlisted)
  • Helicopter Airframe Mechanic, CH-53 (Marine Corps - Enlisted)
  • Helicopter Airframe Mechanic, UH/AH-1 (Marine Corps - Enlisted)
  • Helicopter Crew Chief, CH-53 (Marine Corps - Enlisted)
  • Helicopter Crew Chief, UH-1 (Marine Corps - Enlisted)
  • Helicopter Mechanic, CH-53 (Marine Corps - Enlisted)
  • Helicopter Mechanic, UH/AH-1 (Marine Corps - Enlisted)
  • Helicopter Power Plants Mechanic, T-400/T-700 (Marine Corps - Enlisted)
  • Helicopter Power Plants Mechanic, T-58 (Marine Corps - Enlisted)
  • Helicopter Power Plants Mechanic, T-64 (Marine Corps - Enlisted)
  • Helicopter/Tiltrotor Aircraft Maintenance (Air Force - Enlisted)
  • Helicopter/Tiltrotor Aircraft Maintenance Apprentice (Air Force - Enlisted)
  • Helicopter/Tiltrotor Aircraft Maintenance Apprentice, CV-22 (Air Force - Enlisted)
  • Helicopter/Tiltrotor Aircraft Maintenance Apprentice, H-60 (Air Force - Enlisted)
  • Helicopter/Tiltrotor Aircraft Maintenance Apprentice, MHU-139 (Air Force - Enlisted)
  • Helicopter/Tiltrotor Aircraft Maintenance Craftsman (Air Force - Enlisted)
  • Helicopter/Tiltrotor Aircraft Maintenance Helper (Air Force - Enlisted)
  • Helicopter/Tiltrotor Aircraft Maintenance Helper, CV-22 (Air Force - Enlisted)
  • Helicopter/Tiltrotor Aircraft Maintenance Helper, H-60 (Air Force - Enlisted)
  • Helicopter/Tiltrotor Aircraft Maintenance Helper, MHU-139 (Air Force - Enlisted)
  • Helicopter/Tiltrotor Aircraft Maintenance Journeyman, CV-22 (Air Force - Enlisted)
  • Helicopter/Tiltrotor Aircraft Maintenance Journeyman, H-60 (Air Force - Enlisted)
  • Helicopter/Tiltrotor Aircraft Maintenance Journeyman, MHU-139 (Air Force - Enlisted)
  • Helicopter/Tiltrotor Dynamic Components Mechanic (Marine Corps - Enlisted)
  • Helicopter/Tiltrotor Mechanic-Trainee (Marine Corps - Enlisted)
  • Machinery Repairman (Navy - Enlisted)
  • Machinery Repairman Apprentice (Navy - Enlisted)
  • Machinery Repairman Journeyman (Navy - Enlisted)
  • Machinery Technician (Coast Guard - Enlisted)
  • Machinist (Marine Corps - Enlisted)
  • Machinist's Mate (Navy - Enlisted)
  • Machinist's Mate, Nuclear Power (Navy - Enlisted)
  • Machinists Mate, Non-Nuclear, Submarine Auxiliary (Navy - Enlisted)
  • Marine Safety Specialist Engineer (Coast Guard - Warrant Officer only)
  • Mission Generation Vehicular Equipment Maintenance (Air Force - Enlisted)
  • Mission Generation Vehicular Equipment Maintenance Apprentice (Air Force - Enlisted)
  • Mission Generation Vehicular Equipment Maintenance Apprentice, Firefighting and Refueling Vehicle and Equipment Maintenance (Air Force - Enlisted)
  • Mission Generation Vehicular Equipment Maintenance Craftsman (Air Force - Enlisted)
  • Mission Generation Vehicular Equipment Maintenance Helper (Air Force - Enlisted)
  • Mission Generation Vehicular Equipment Maintenance Helper, Firefighting and Refueling Vehicle and Equipment Maintenance (Air Force - Enlisted)
  • Mission Generation Vehicular Equipment Maintenance Journeyman (Air Force - Enlisted)
  • Mission Generation Vehicular Equipment Maintenance Journeyman, Firefighting and Refueling Vehicle and Equipment Maintenance (Air Force - Enlisted)
  • Mission Generation Vehicular Equipment Maintenance, Apprentice, Material Handling Equipment (MHE)/463L Maintenance (Air Force - Enlisted)
  • Mission Generation Vehicular Equipment Maintenance, Helper, Material Handling Equipment (MHE)/463L Maintenance (Air Force - Enlisted)
  • Mission Generation Vehicular Equipment Maintenance, Journeyman, Material Handling Equipment (MHE)/463L Maintenance (Air Force - Enlisted)
  • Naval Engineering Specialty (Coast Guard - Warrant Officer only)
  • Night Systems Instructor (NSI) Enlisted Aircrew (Marine Corps - Enlisted)
  • Refuel/Bomber Aircraft Maintenance (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Apprentice, Any C-135/E-3/E-8 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Apprentice, B-1 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Apprentice, B-2 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Apprentice, B-21 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Apprentice, B-52 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Apprentice, KC-10 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Apprentice, KC-46 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Craftsman (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Helper, Any C-135/E-3/E-8 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Helper, B-1 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Helper, B-2 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Helper, B-21 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Helper, B-52 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Helper, KC-10 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Helper, KC-46 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Journeyman, Any C-135/E-3/E-8 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Journeyman, B-1 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Journeyman, B-2 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Journeyman, B-21 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Journeyman, B-52 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Journeyman, KC-10 (Air Force - Enlisted)
  • Refuel/Bomber Aircraft Maintenance Journeyman, KC-46 (Air Force - Enlisted)
  • Remotely Piloted Aircraft Maintenance (Air Force - Enlisted)
  • Remotely Piloted Aircraft Maintenance Apprentice, MQ-1/MQ-9 (Air Force - Enlisted)
  • Remotely Piloted Aircraft Maintenance Apprentice, RQ-4 (Air Force - Enlisted)
  • Remotely Piloted Aircraft Maintenance Craftsman (Air Force - Enlisted)
  • Remotely Piloted Aircraft Maintenance Helper, MQ-1/MQ-9 (Air Force - Enlisted)
  • Remotely Piloted Aircraft Maintenance Helper, RQ-4 (Air Force - Enlisted)
  • Remotely Piloted Aircraft Maintenance Journeyman, MQ-1/MQ-9 (Air Force - Enlisted)
  • Remotely Piloted Aircraft Maintenance Journeyman, RQ-4 (Air Force - Enlisted)
  • Senior Automotive Maintenance Warrant Officer/Senior Ordnance Logistics Warrant Officer (Army - Warrant Officer only)
  • STRYKER Systems Maintainer (Army - Enlisted)
  • Tactical Aircraft Maintenance (5th Generation) (Air Force - Enlisted)
  • Tactical Aircraft Maintenance (5th Generation) Apprentice, F-22 (Air Force - Enlisted)
  • Tactical Aircraft Maintenance (5th Generation) Apprentice, F-35 (Air Force - Enlisted)
  • Tactical Aircraft Maintenance (5th Generation) Craftsman (Air Force - Enlisted)
  • Tactical Aircraft Maintenance (5th Generation) Helper, F-22 (Air Force - Enlisted)
  • Tactical Aircraft Maintenance (5th Generation) Helper, F-35 (Air Force - Enlisted)
  • Tactical Aircraft Maintenance (5th Generation) Journeyman, F-22 (Air Force - Enlisted)
  • Tactical Aircraft Maintenance (5th Generation) Journeyman, F-35 (Air Force - Enlisted)
  • Tactical Aircraft Maintenance (Air Force - Enlisted)
  • Tactical Aircraft Maintenance Apprentice (Air Force - Enlisted)
  • Tactical Aircraft Maintenance Apprentice, A-10/U-2 (Air Force - Enlisted)
  • Tactical Aircraft Maintenance Apprentice, F-15 (Air Force - Enlisted)
  • Tactical Aircraft Maintenance Apprentice, F-16 (Air Force - Enlisted)
  • Tactical Aircraft Maintenance Craftsman (Air Force - Enlisted)
  • Tactical Aircraft Maintenance Helper (Air Force - Enlisted)
  • Tactical Aircraft Maintenance Helper, A-10/U-2 (Air Force - Enlisted)
  • Tactical Aircraft Maintenance Helper, F-15 (Air Force - Enlisted)
  • Tactical Aircraft Maintenance Helper, F-16 (Air Force - Enlisted)
  • Tactical Aircraft Maintenance Journeyman, A-10/U-2 (Air Force - Enlisted)
  • Tactical Aircraft Maintenance Journeyman, F-15 (Air Force - Enlisted)
  • Tactical Aircraft Maintenance Journeyman, F-16 (Air Force - Enlisted)
  • Tiltrotor Airframe Mechanic, MV-22 (Marine Corps - Enlisted)
  • Tiltrotor Crew Chief, MV-22 (Marine Corps - Enlisted)
  • Tiltrotor Mechanic, MV-22 (Marine Corps - Enlisted)
  • Torpedoman's Mate (Navy - Enlisted)
  • UH-60 Helicopter Repairer/Aircrew Member (Army - Enlisted)
  • Unmanned Aircraft Mechanic, MQ-9 (Marine Corps - Enlisted)
  • VH-60N Presidential Helicopter Crew Chief (Marine Corps - Enlisted)
  • VH-92 Presidential Helicopter Crew Chief (Marine Corps - Enlisted)
  • Weapons and Tactics Crew Chief Instructor (Marine Corps - Enlisted)

Apprenticeship Crosswalk Titles

  • Assembler, Aircraft Powerplant
  • Elect-Motor & Gen Assembler
  • Machine Assembler
  • Machine Builder

DOT Crosswalk Titles

  • Assembler
  • Assembler, Aircraft Power Plant
  • Assembler, Internal Combustion Engine
  • Assembler, Mining Machinery
  • Assembler, Steam-and-Gas Turbine
  • Blower and Compressor Assembler
  • Diesel-Engine Erector
  • Electric-Motor-and-Generator Assembler
  • Farm-Machinery Set-Up Mechanic
  • Injector Assembler
  • Internal-Combustion-Engine Subassembler
  • Machine Assembler
  • Machine Builder
  • Progressive Assembler And Fitter
  • Rotary-Engine Assembler
  • Sewing-Machine Assembler
  • Subassembler
  • Turbine Subassembler
  • Turbine-Blade Assembler