Watch MM, GT first.
Army MOS guide
91A M1 Abrams Tank System Maintainer ASVAB score requirements
Score target and study focus for Army 91A.
91A
Army MOS score brief
M1 Abrams Tank System Maintainer
ASVAB line score targetMM 99+ or MM 88+ and GT 90+
Maintains M1 Abrams tank automotive, turret, hydraulic, electrical, fire-control, and armament systems.
Good fit if you like tools, diagnostics, engines, electronics, inspections, repairs, and practical technical work.
Mechanical repair, fleet maintenance, aviation maintenance, electronics repair, field service, and technical operations.
Study first
Focus these areas
- Build toward MM 99+ or MM 88+ and GT 90+ with mechanical comprehension, electronics, auto, shop, science, and math review as needed.
- Review diagrams, tools, engines, hydraulics, circuits, diagnostics, and troubleshooting vocabulary.
Daily work
What you may do
- Inspect, troubleshoot, repair, or maintain systems tied to m1 abrams tank system maintainer duties.
- Use tools, test equipment, technical manuals, safety checks, and maintenance records.
91A Army MOS FAQ
Common M1 Abrams Tank System Maintainer ASVAB questions
What ASVAB score do you need for 91A M1 Abrams Tank System Maintainer?
MM 99+ or MM 88+ and GT 90+ is the source-backed planning target shown on this MeritMarch guide. Treat it as study guidance, not an enlistment promise, because Army requirements, openings, waivers, medical qualification, and recruiter guidance can change.
What does a 91A M1 Abrams Tank System Maintainer do?
Maintains M1 Abrams tank automotive, turret, hydraulic, electrical, fire-control, and armament systems.
Which ASVAB sections should I study for 91A?
Start with the score areas tied to MM 99+ or MM 88+ and GT 90+: Auto Information, Shop Information, Mechanical Comprehension, Electronics Information. If your AFQT is not stable yet, also keep Arithmetic Reasoning, Math Knowledge, Word Knowledge, and Paragraph Comprehension in the plan.
Is 91A guaranteed if I meet the score target?
No. ASVAB scores are only part of Army job access. Current openings, contract options, background checks, medical standards, citizenship rules, waivers, and Army needs all affect whether a MOS is available.
Where did MeritMarch get the 91A score target?
This page uses MM 99+ or MM 88+ and GT 90+ from Army enlisted MOS specifications, Chapter 10C, 10-91A, reviewed April 30, 2026. It is still shown as planning guidance because official requirements and openings can change.
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Sources and official confirmation
Source checked April 30, 2026: Army enlisted MOS specifications, Chapter 10C, 10-91A. Current Army job access still depends on Army policy, openings, medical qualification, background screening, waivers, and recruiter guidance.
More context reviewed April 30, 2026: GoArmy ASVAB entrance test, Official ASVAB military-jobs composites, Army enlisted MOS specifications, Chapter 10C, MeritMarch Army jobs based on ASVAB scores guide.