63S: Heavy-Wheel
Vehicle Mechanic
Major Duties: The heavy-wheel vehicle mechanic
performs unit maintenance on heavy-wheel vehicles (prime movers
designated as more than 5 tons and their associated trailers)
and material handling equipment (MHE). Duties for MOS 63S
at each skill level are:
- Skill Levels
- Skill Level 1 MOSC 63S1O. 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 MOSC 63S2O. 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 and qualifications for initial
award of MOS. The heavy-wheel vehicle mechanic must possess
the following qualifications:
(1) Physical Demands Rating:
very heavy
(2) Physical Profile: 222222
(3) Normal color vision.
(4) Minimum score of 105 in aptitude
area MM.
(5) Current equipment qualification record for all types
of equipment maintained.
(6) Formal training (completion of MOS 63S course conducted
under the auspices of the U.S. Army Ordnance Center and School)
mandatory.
The major duties, physical demands, physical profile, and
skill levels were obtained from Army Pamphlet 611-21.
MOS
List for Ordnance Corps
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