Heavy-Wheel Vehicle Mechanic

Ordnance Corps
MOS Details
Major Duties: 

Performs unit maintenance on heavy-wheel vehicles (prime movers designated as more than 5 tons and their associated trailers) and material handling equipment (MHE).

Skill Level 1 Maintains compression ignition engines, compression ignition engine fuel systems, compression ignition air induction systems, wheel vehicle exhaust systems, vehicle liquid cooling systems, vehicle starting systems, vehicle charging systems, wheel chassis electrical systems, standard transmission assemblies, automotive transmission assemblies, air-controlled semi-automatic transmission assemblies, transfer assemblies, propeller shaft assemblies, axle assemblies, drum brake systems, hydraulic brake systems, air/hydraulic brake systems, air (wedge, s-cam) brake systems, mechanical brake systems, wheel vehicle suspension systems, wheel vehicle wheel/hub assemblies, wheel vehicle hydraulic (power) steering systems, fifth wheel assemblies, wheel vehicle crane/hoist/winch assemblies, and material handling equipment (MHE) hydraulic systems.

Skill Level 2 Perform duties in preceding skill level, supervises lower grade soldiers, and provides technical guidance to the soldiers in the accomplishment of their duties.

Physical Demands Rating: 
very heavy
Physical Profile Serial #: 
Qualifications and Prerequisites
ASVAB Minimum Score: 
105 total from AS+MC+EI
Other Qualifications: 
  • Formal training (completion of MOS 63S course conducted under the auspices of the U.S. Army Ordnance Center and School) mandatory.
  • Current equipment qualification record for all types of equipment maintained
  • Normal color vision
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