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Mechanical · Army career profile

91L Construction Equipment Repairer

As a Construction Equipment Repairer, you'll keep the Army’s engineer equipment safe and operational by repairing and maintaining trucks, bulldozers, power shovels, and other heavy equipment that is needed for construction. You'll replace and perform tune-ups on brakes, motors, engines, drive pumps, water pumps, transmissions, and high-pressure hydraulic systems.

ASVABMM 87, or MM 82 and GT 85
Training10 weeks of Basic Training + 8 weeks of Advanced Individual Training
Physical demandsSignificant
ClearanceNo security-clearance requirement is listed on the current public GoArmy profile

What the job involves

Typical duties

  • As a Construction Equipment Repairer, you'll keep the Army’s engineer equipment safe and operational by repairing and maintaining trucks, bulldozers, power shovels, and other heavy equipment that is needed for construction.
  • You'll replace and perform tune-ups on brakes, motors, engines, drive pumps, water pumps, transmissions, and high-pressure hydraulic systems.

Transferable experience

Skills learned

Maintenance & RepairsEngine Hydraulics & Braking SystemsHand & Power ToolsInterest in machines and mechanicsProblem solving and troubleshootingWorking with hands

Education insight

Training may support future education.

Estimated potential recommendation range: 0–9 semester hours.

EnlistReady estimate based on the longest training segment stated in the current public profile (10 weeks). Actual recommendations appear on an individual Joint Services Transcript and each college decides what it will accept and how credits apply.

Related degree ideas

  • Mechanical Engineering Technology
  • Industrial Technology

Civilian connection

Potential civilian jobs related to 91L experience.

Military experience does not guarantee civilian employment or a salary outcome. Requirements vary by employer, location, education, certification, licensing, and experience.

Potential role

Engine & Machine Assembler

Illustrative salary information: $45,000–$100,000 illustrative U.S. range; verify the matching BLS occupation and required credentials

Example employers: Fleet operators, Equipment manufacturers, Maintenance contractors

Search current Engine & Machine Assembler jobs on Indeed ↗
Potential role

Construction Equipment Operator

Illustrative salary information: $45,000–$100,000 illustrative U.S. range; verify the matching BLS occupation and required credentials

Example employers: Fleet operators, Equipment manufacturers, Maintenance contractors

Search current Construction Equipment Operator jobs on Indeed ↗

Verify important details

Official and supporting sources

Keep exploring

Related mechanical MOS options

91AM1 Abrams Tank System MaintainerAs an M1 Abrams Tank System Maintainer, you’ll perform maintenance on the suspension, steering, hydraulic, auxiliary power, fire suppression, and gas systems of Abrams tanks.91BWheeled Vehicle MechanicDiagnoses, maintains, and repairs Army wheeled vehicles and related systems.91CUtilities Equipment RepairerAs a Utilities Equipment Repairer, you’ll supervise and perform maintenance on vital utilities equipment and support systems, such as air conditioners and refrigeration units, to make sure they are kept in top working condition in any environment. You’ll train to read temperature and pressure gauges, make operating adjustments to utility equipment, test for leaks, perform preventative maintenance, troubleshoot malfunctions, and read and use technical manuals and diagnostic instruments.91DTactical Power Generation SpecialistAs a Tactical Power Generation Specialist, you’ll supply the power needed to run virtually every aspect of Army activity; power that must be available whenever and wherever the Army needs it. You will supervise and perform maintenance and repairs on power-generation equipment, internal combustion engines, and associated equipment in mobile and stationary power plants. You’ll train to use high-tech test and diagnostic equipment, read complex wiring schematics and diagrams, and repair electrical components.

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