Unit Group

7316 Machine fitters

Machine fitters fit, assemble and otherwise build heavy industrial machinery and transportation equipment, including aircraft engines. They are employed in industrial machinery and transportation equipment manufacturing industries.

Example Titles

aircraft engine fitter
assembly fitter
heavy equipment fitter
machine builder
machine fitter
machine tool builder
mechanical fitter

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Main duties

Machine fitters perform some or all of the following duties:
  • Read and interpret blueprints, sketches and diagrams to determine assembly operations
  • Fit and assemble prefabricated metal parts to build heavy industrial machinery and equipment such as construction, farming, and processing machinery, railway vehicles and aircraft engines
  • Move and align subassemblies and components using lifting and transporting devices such as overhead cranes
  • Install major components such as gears, pumps, motors or hydraulic assemblies
  • Inspect parts, subassemblies and finished products to ensure quality.

Employment requirements

  • Completion of secondary school is usually required.
  • Completion of a mechanical apprenticeship program, such as millwrighting, machining, pipefitting, automotive service or heavy equipment repair
    Completion of a four-year machine fitter apprenticeship program
    Completion of five years of on-the-job training is usually required.
  • Completion of a two- to three-year college program in aircraft manufacturing or general fabrication is required for aircraft engine fitters.
  • Certification in a related trade may be required.

Additional information

  • Progression to supervisory positions is possible with experience.

Classified elsewhere

  • Aircraft assemblers (in 9521 Aircraft assemblers and aircraft assembly inspectors )
  • Assemblers of electrical industrial equipment (in 9525 Assemblers, fabricators and inspectors, industrial electrical motors and transformers )
  • Mechanical assemblers and inspectors (9526)
  • Millwrights (in 7311 Construction millwrights and industrial mechanics )
  • Supervisors of machine fitters (in 7301 Contractors and supervisors, mechanic trades )
  • Welders and related machine operators (7237)

Classification Structure - 7