Army MOS 91B Wheeled Vehicle Mechanic

The success of Army missions depends on keeping automotive and heavy equipment in top working condition. As an integral member of the Mechanical Maintenance team, the Wheeled Vehicle Mechanic handles the maintenance and repair of light and heavy tactical vehicles and select armored vehicles. The Wheeled Vehicle Mechanic is primarily responsible for supervising and performing maintenance and recovery operations on wheeled vehicles and associated items, as well as heavy-wheeled vehicles.

Some of your duties as a Wheeled Vehicle Mechanic may include:
Maintain wheeled vehicles, their associated trailers and material handling equipment systems, Use of applicable references, inspecting, servicing, maintaining, repairing, replacement, adjusting and testing of wheeled vehicles and material handling equipment systems, subsystems and components

– such as: power plant/packs, compression ignition engines and engine fuel systems, air induction
and exhaust systems and cooling systems

Vehicle chassis and power train components including, frame cross members, clutches assemblies,
transmissions, transfers, final drives, propeller shaft assemblies, brake systems and

– steering systems, suspensions systems, fifth wheel assemblies, wheeled vehicle crane, hoist and
winch assemblies, and hydraulic systems

Automotive electrical systems including wiring harness, starting, and charging systems
Perform wheeled vehicle recovery operations

Job training for a Wheeled Vehicle Mechanic requires nine weeks of Basic Training, where you’ll learn basic Soldiering skills, and 12 weeks of Advanced Individual Training. Part of this time is spent in the classroom and part in the field. Some of the skills you’ll learn are:

Engine repair and tune-up
Troubleshoot mechanical and electrical problems
Repair and replace body panels, fenders and radiators
Recovery Operations

Advanced Responsibilities
Advanced level Wheeled Vehicle Mechanic provides guidance, supervises and trains other Soldiers within the same discipline. As an advanced level Light-wheel Vehicle Mechanic, you may be involved in:

Conduct in-process inspection/troubleshooting procedures, during repairs and overhaul of engines, transmissions and
power train major assemblies and components, hydraulic system and fuel system components
Supervise recovery team performance of wheeled vehicle recovery operations
Supervise compliance with shop safety program and use, maintenance and security of hand and shop power tools
Supervises and performs diagnostic troubleshooting to determine maintenance repair criteria using
Test Measurement Diagnostic Equipment (TMDE)
Perform equipment classification inspections and annotate and submit appropriate forms and documents
Perform battlefield damage and assessment and repair (BDAR)

Related Civilian Jobs
The skills you learn as a Wheeled Vehicle Mechanic will help prepare you for a future with civilian service stations, auto dealers, farm equipment companies and state highway agencies. You’ll be able to pursue a career as a garage mechanic, carburetor mechanic, transmission mechanic, radiator mechanic, equipment mechanic or track vehicle mechanic.

See Promotion Points for MOS 91B