Wheeled Vehicle Mechanic
Maintain and repair the Army's wheeled vehicle fleet from HMMWVs to HEMTTs.
Job Overview
91B Wheeled Vehicle Mechanics keep the Army moving. They diagnose, repair, and maintain trucks, generators, and tactical vehicles across every environment.
You gain deep hands-on diesel and gasoline mechanic experience, plus electrical and hydraulic systems training that transfers directly to civilian trucking and heavy equipment shops.
History & Deep Dive
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Daily Responsibilities
- Diagnose engine, transmission, and electrical faults
- Perform scheduled and unscheduled maintenance
- Repair braking, steering, and suspension systems
- Recover disabled vehicles
- Maintain the unit's maintenance records in GCSS-Army
Training Pipeline
- 1Basic Combat TrainingFort Jackson / Fort Leonard Wood · 10 weeks
- 2AIT — 91BFort Lee (Fort Gregg-Adams), VA · 14 weeks
Diesel and gasoline engines, drivetrains, electrical systems, hydraulics, and Army maintenance procedures.
ASVAB & Qualification Requirements
- MM92
Video Library
Career Progression
Progress to shop foreman, motor sergeant, and warrant officer (915A) paths.
Assignments & Special Schools
- Fort Gregg-Adams, VA
- Fort Cavazos, TX
- Fort Bragg, NC
- Fort Bliss, TX
- Overseas: Germany, Korea
Deployment: Deploys with brigade support battalions; often forward-deployed with maneuver units.
Bonuses & Special Pay
Bonus availability changes frequently — confirm current amounts with a recruiter.
Lifestyle & Work-Life Balance
Very steady garrison lifestyle with predictable hours; hands-on trade work every day.
Physical Fitness
Aim for 440+; grip and back strength matter most.
- Deadlifts and rows
- Farmer carries
- Overhead press
- Forearm and grip training
Advantages
- Deep, transferable trade skill
- Steady work in garrison
- Great foundation for civilian ASE certifications
- Real ownership of the fleet
Disadvantages
- Hard physical work
- Exposure to fluids, heat, and cold
- Long field maintenance days
- Repetitive maintenance cycles
Who Should Choose This MOS?
People who love working with their hands, engines, and building lifelong trade skills.
Civilian Career Equivalents
Direct transfer; ASE-track career after service.
Trucking companies actively recruit 91B veterans.
Leadership experience opens shop-management roles.