Army Construction Equipment Repairer (91L) Career – Military Occupational Specialties (MOS)

Overview

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

Job Duties

  • 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

Requirements

Those who want to serve must first take the Armed Services Vocational Aptitude Battery, a series of tests that helps you better understand your strengths and identify which Army jobs are best for you.

Training

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

Helpful Skills

  • Interest in math, electricity and shop mechanics
  • Experience using tools
  • Interest in electric motors and appliances
  • Good at solving problems

Required ASVAB Score(s)

Mechanical Maintenance (MM) : 92
OR
Mechanical Maintenance (MM) : 87, General Technical (GT) : 85