91D — Power Generation Equip. Repairer
Army · ASVAB requirement
Score needed
GM (GS + AS + MK + EI) ≥ 98
Composites are sums of ASVAB standard scores, so points in any listed subtest move you toward the line.
What to study
- General Science — free study-guide section, flashcards, and drills.
- Auto Information — free study-guide section, flashcards, and drills.
- Shop Information — free study-guide section, flashcards, and drills.
- Mathematics Knowledge — free study-guide section, flashcards, and drills.
- Electronics Information — free study-guide section, flashcards, and drills.
Build a study route for 91D. The free program sequences these subtests for you —
AFQT first, then the technicals this composite weighs — with an evaluation, drills, and gate
tests along the way.
Start the 91D program free
Start the 91D program free
The minimum shown is an unverified starting point and changes with the needs of
the service. Qualifying scores are not a promise of enlistment or placement — this role may also
carry medical, clearance, physical, and citizenship requirements. Confirm current requirements
with a recruiter.