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91L - Construction Equipment Repairer

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Basic Job Description

Construction equipment repairers are responsible for maintaining trucks, bulldozers, power shovels and other heavy equipment that are needed for construction operations.

Duties performed by Soldiers in this MOS include:

  • Maintain and replace brake actuators, batteries, starter motors, mechanical fuel pumps and hydraulic cylinders/pumps/control valves
  • Service drive shafts, universal joints, service brake shoes, water pumps and turbochargers
  • Maintain and replace cylinder heads, high-pressure fuel injection pumps and road wheels
  • Adjust engine speed of governor/valves, carburetors, steering brakes, fuel injector racks and steering unit brake levers
  • Charge suspension accumulators, transmission shift accumulators and main hydraulic accumulators

Training Information

Job training for a construction equipment repairer requires 10 weeks of Basic Combat Training and eight weeks of Advanced Individual Training, where you spend part of this time 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
  • Troubleshoot hydraulic systems

ASVAB Score Required: 92 in aptitude area Mechanical Maintenance OR
87 in aptitude area Mechanical Maintenance (MM) and 85 in aptitude area General Technical

Security Clearance: None

Strength Requirement: heavy

Physical Profile Requirement: 222222

Other Requirements

Similar Civilian Occupations

  • The skills you learn will help prepare you for a career at service stations, auto and construction equipment dealers, farm equipment companies and state highway agencies. You can also consider a future as a garage mechanic, carburetor mechanic, transmission mechanic, construction equipment mechanic or endless track vehicle mechanic.

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