91A - M1 Abrams Systems Maintainer

Basic Job Description

The M-1 Abrams tank system maintainer is primarily responsible for supervising and performing maintenance on Abrams tanks.

Duties performed by Soldiers in this MOS include:

  • Perform maintenance on the suspension, steering, hydraulic, auxiliary power, fire extinguisher/suppression and gas particulate systems
  • Diagnose and troubleshoot malfunctions

Training Information

Job training for an M-1 Abrams tank systems maintainer requires 10 weeks of Basic Combat Training and 24 weeks of Advanced Individual Training with on-the-job instructions. Part of this time is spent in the classroom and part in the field.

Some of the skills you’ll learn are:

  • Electronic and mechanical principles and concepts
  • Use of electronic, electrical and mechanical test equipment
  • Use of schematics, drawings and wiring diagrams
  • Operation, testing and maintenance of weapons systems

ASVAB Score Required: 99 in aptitude area MM OR 88 in aptitude area MM and 92 in aptitude area GT

Security Clearance: None

Strength Requirement: very heavy

Physical Profile Requirement: of 222222

Other Requirements

Similar Civilian Occupations

  • The skills you learn will help prepare you for a career as an electronic mechanic, an avionics technician or a missile facilities repairer with companies that design, build and test weapons for the military.