21E: Heavy
Construction Equipment Operator
Major Duties: The heavy construction equipment
operator operates crawler and wheeled tractors with dozer
attachments, scoop loader, motorized grader, and towed or
self-propelled scraper. Duties for MOS 21E at each level of
skill are:
- Skill Levels
- Skill Level 1 MOSC 21E1O. Interprets
information on grade stakes. Clears, grubs, strips,
excavates, backfills, ditches, stockpiles and pushes
scraper with tractor crawler. Cuts and spreads fill
material with scraper. Excavates, stockpiles, backfills,
and loads with loader. Scarifies, spreads, levels and
constructs V ditch with grader. Transports heavy construction
equipment with tractor trailer. Assists in performance
of combat engineer missions.
- Skill Level 2 MOSC 21E2O. Constructs
berm, excavates sidehills and finishes side slopes with
crawler tractor. Grades to final grade, finishes slopes
and mixes soil stabilization materials with grader.
Constructs berm with scraper. Performs surface and drainage
maintenance.
Physical demands rating and qualifications for initial
award of MOS. The heavy construction equipment operator
must possess the following qualifications:
(1) Physical Demands Rating:
very heavy
(2) Physical Profile: 222221
(3) Red/green color discrimination.
(4) Minimum score of 90 in aptitude
area GM.
(5) Must possess a valid state motor vehicle operator license.
(6) Formal training (completion of MOS 21E course conducted
under the auspices of the USA Engineer Center and School,
or meet civilian acquired skills criteria listed in AR 601-210)
mandatory.
MOS 21E had the alphanumeric designator of 62E prior
to fiscal year 2004.
The major duties, physical demands, physical profile, and
skill levels were obtained from Army Pamphlet 611-21.
MOS List for Corps of Engineers
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