Army MOS · Logistics

91A M1 Abrams Tank System Maintainer

Overview

An M1 Abrams Tank System Maintainer performs field maintenance on the M1 Abrams tank system. The maintainer also supervises field maintenance work on the system.

Core Skills

  • electro-mechanical systems troubleshooting
  • diagnostic tools and test equipment use
  • preventive and corrective maintenance
  • reading schematics and technical manuals
  • fault isolation and root cause analysis
  • maintenance documentation and reporting
  • parts and inventory management
  • safety and compliance procedures
  • team leadership and on-the-job training
  • quality assurance and inspections

Civilian Software & Tools

  • Microsoft Excel
  • Microsoft Office software
  • Microsoft Outlook
  • Microsoft Word
  • Fleet management software
  • Maintenance management software
  • Recordkeeping software
  • Computerized maintenance management system software CMMS

Civilian Career Paths

  • Mechanical Engineering
  • Fleet Management
  • Facilities Management

Training & Development

Getting Started

  • Military Fundamentals (MIL1)
  • Electronics Module DC (EM1)
  • Hydraulic Specialist (HS)
  • Certified Maintenance and Reliability Technician (CMRT) · Funded · Promotion points

Career Growth

  • Electronic Diesel Engine Diagnosis Specialist (L2)
  • Industrial Hydraulic Mechanic (IHM)
  • Certified Maintenance and Reliability Professional (CMRP) · Funded · Promotion points
  • Senior Certified Electronics Technician (CETsr) · Funded · Promotion points

What the Work Involves

  • Repair and replace damaged or worn parts.
  • Test mechanical products and equipment after repair or assembly to ensure proper performance and compliance with manufacturers' specifications.
  • Operate and inspect machines or heavy equipment to diagnose defects.
  • Read and understand operating manuals, blueprints, and technical drawings.
  • Dismantle and reassemble heavy equipment using hoists and hand tools.

Related Occupations

  • Rail Car Repairers
  • Industrial Machinery Mechanics
  • Maintenance Workers, Machinery
  • Automotive Service Technicians and Mechanics

Typical preparation for these civilian roles: vocational training or an associate degree.

Defense contractor jobs for 91A

Formerly Known As (Legacy)

Retired codes that converted into 91A. Each legacy page documents the cited history.

Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.

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