Watch MM, GT first.
Army MOS guide
91B Wheeled Vehicle Mechanic ASVAB score requirements
Score target and study focus for Army 91B.
91B
Army MOS score brief
Wheeled Vehicle Mechanic
ASVAB line score targetMM 92+ or MM 87+ and GT 85+
Inspects, repairs, and maintains tactical wheeled vehicles and related mechanical systems.
Good fit if you like hands-on troubleshooting, engines, tools, and practical mechanical work.
Automotive repair, fleet maintenance, diesel technology, and equipment maintenance.
Study first
Focus these areas
- Build toward either MM 92+ or the MM 87+ and GT 85+ combination.
- Use auto, shop, mechanical, electronics, arithmetic, and verbal practice to keep both paths open.
Daily work
What you may do
- Inspect, troubleshoot, repair, and maintain wheeled vehicles and related mechanical systems.
- Use tools, technical manuals, safety procedures, and diagnostic thinking to keep equipment ready.
91B Army MOS FAQ
Common Wheeled Vehicle Mechanic ASVAB questions
What ASVAB score do you need for 91B Wheeled Vehicle Mechanic?
MM 92+ or MM 87+ and GT 85+ 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 91B Wheeled Vehicle Mechanic do?
Inspects, repairs, and maintains tactical wheeled vehicles and related mechanical systems.
Which ASVAB sections should I study for 91B?
Start with the score areas tied to MM 92+ or MM 87+ and GT 85+: 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 91B 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 91B score target?
This page uses MM 92+ or MM 87+ and GT 85+ from Army enlisted MOS specifications, Chapter 10C, 10-91B, 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, 10-91B. 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.



