An official website of the United States government
Here's how you know
A .mil website belongs to an official U.S. Department of Defense organization in the United States.
A lock (lock ) or https:// means you’ve safely connected to the .mil website. Share sensitive information only on official, secure websites.

Construction Mechanic (CM)


***Last Updated 21 March 2024***

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

- Must provide a copy of last three Evals and PRIMS/PFA data.

  Veterans Crisis Line - Dial 988  Safe Helpline  NCIS Tips  Sexual Assault Prevention & Response  NFAAS

Need Career, Pay or Personnel help?
Call MyNavy Career Center: 833.330.MNCC,
or 901.874.MNCC (DSN 882.6622)

Email MNCC, MNCC Chat 
Comments or Suggestions about this website?
Email the Webmaster

5720 Integrity Drive
Attn: PERS-### or BUPERS-###
Millington, TN 38055-0000

Search This Site
This is an Official U.S. Navy Website

Site Map | FOIA | U.S. Navy | U.S. Navy Recruiting
No Fear Act | | Privacy Policy
Open Government | Plain Writing Act
Veterans Safe Helpline | DoD SAPR | NETC 
Accessibility/Section 508 | Information Quality
Privacy Program | Veteran Crisis Line | VA Vet Center | FVAP