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CM Rating

CM Community Overview

 CM Career Path


General Description 
Construction Mechanics repair and maintain heavy construction and automotive equipment including, buses, dump trucks, bulldozers, rollers, cranes, backhoes, pile drivers, and tactical vehicles. CMs also prepare detailed maintenance records and cost control data and acquire parts. This is a 5 year enlistment program.
What They Do
The duties performed by CMs include:
  • diagnosing and troubleshooting equipment failures;
  • repairing and maintaining diesel and gasoline engines;
  • adjusting and repairing ignition, fuel, electrical, hydraulic and steering systems;
  • maintaining and repairing chassis, frames and bodies;
  • working with hoisting and jacking equipment, power tools, measuring instruments, gauges and meters;
  • lubricating equipment;
  • maintaining and repairing tires, batteries, brakes and valves;
  • performing shop management functions such as maintenance scheduling and spare parts inventory control.
  • making estimates of material, labor, and equipment requirements.

Working Environment
Many construction mechanics perform in an automotive garage environment, while some work in the field to maintain equipment. People in this rating usually work closely with others under close supervision and perform both physical and mental tasks. Their many different duties may be performed in climates ranging from desert to arctic.

ASVAB: AR + MC + AS = 162

48 month obligated service required for all convert in and PACT Sailors. 

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Last Modified: 4/13/2016 1:14 PM
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