One formula option listed.
Navy rating guide
CM Construction Mechanic ASVAB score requirements
Score target and study focus for Navy CM.
CM
Navy rating score brief
Construction Mechanic
ASVAB score targetAR+MC+AS 162+
Maintains construction vehicles, diesel engines, and heavy equipment.
Good fit if you want practical construction work with field problem-solving and technical skills.
Construction trades, heavy equipment, electrical work, utilities, surveying, welding, and field engineering.
Study first
Focus these areas
- Start with arithmetic reasoning, mechanical comprehension, auto information, shop information; those subjects show up directly in the listed Navy formula options.
- Keep AFQT fundamentals steady too: arithmetic reasoning, math knowledge, word knowledge, and paragraph comprehension.
Daily work
What you may do
- Build, repair, operate, or maintain construction systems in field and deployment settings.
- Use tools, plans, safety procedures, and practical math to support construction missions.
CM Navy rating FAQ
Common Construction Mechanic ASVAB questions
What ASVAB score do you need for Navy CM Construction Mechanic?
AR+MC+AS 162+ is the planning target shown on this MeritMarch guide. Treat it as study guidance, not a contract promise, because Navy rating access, openings, waivers, medical qualification, and recruiter guidance can change.
What does a Navy CM Construction Mechanic do?
Maintains construction vehicles, diesel engines, and heavy equipment.
Which ASVAB sections should I study for CM?
Start with the subjects behind the listed formula options: Arithmetic Reasoning, Mechanical Comprehension, Auto Information, Shop Information. If your AFQT is not stable yet, keep Arithmetic Reasoning, Math Knowledge, Word Knowledge, and Paragraph Comprehension in the plan too.
Is CM guaranteed if I meet the score target?
No. ASVAB scores are only part of Navy rating access. Current openings, medical standards, citizenship, security screening, education rules, waivers, and Navy needs can all affect whether a rating is available.
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Sources and official confirmation
Formula target shown on this page: AR+MC+AS 162+. Current Navy rating access still depends on Navy policy, openings, medical qualification, background screening, waivers, citizenship, and recruiter guidance.
Sources reviewed May 9, 2026: Navy careers, Official ASVAB military-jobs composites, NavyCS rating ASVAB score table, NavyCS Nuclear Power Test reference.