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Mechanical · Army career profile

91J Quartermaster and Chemical Equipment Repairer

As a Quartermaster and Chemical Equipment Repairer, you’ll use the latest technology to supervise or diagnose, disassemble, and perform repairs on chemical equipment, quartermaster machinery, forced-air heaters, and special-purpose equipment to ensure that they are ready to support our troops.

ASVABMM 87, or MM 82 and GT 85
Training10 weeks of Basic Training + 10 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 Quartermaster and Chemical Equipment Repairer, you’ll use the latest technology to supervise or diagnose, disassemble, and perform repairs on chemical equipment, quartermaster machinery, forced-air heaters, and special-purpose equipment to ensure that they are ready to support our troops.
  • Apply electronic troubleshooting while performing assigned duties.

Transferable experience

Skills learned

Electronic TroubleshootingMaintenance & RepairsEngines & MachineryInterest in machines and mechanicsWorking with handsEnjoy physical work

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 91J experience.

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

Potential role

Chemical Engineer

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

Credential note: A college degree may be required or preferred; some employers may also require professional certification or licensing.

Search current Chemical Engineer jobs on Indeed ↗
Potential role

Industrial Machinery Mechanic

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 Industrial Machinery Mechanic jobs on Indeed ↗
Potential role

Geothermal Lab Technician

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 Geothermal Lab Technician 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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