Duties of a Marines Engineer Equipment Mechanic (MOS 341)

Marines Engineer Equipment Mechanics

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As the name suggests, a Marine engineer equipment mechanic is responsible for maintenance and repairs of vehicles with diesel engines. It is considered a primary military occupation specialty (MOS) and the rank range for engineer equipment mechanics in the Marines goes from private up to staff sergeant.

Think of this job as similar to a garage mechanic. They get to know the motor vehicles under their care inside and out, to perform preventive maintenance and make repairs. They'll work with a wide variety of different motor vehicles, from diesel engines and gasoline and diesel-driven construction equipment like as tractors, power shovels, and road machinery.

They may also work on and repair specialized equipment like air compressors, concrete mixers and other engine-driven or towed construction equipment. Having mechanics in a branch of the military that has to be battle ready often with little notice helps keep things running smoothly. 

There are some vehicles in the Marine Corps that engineer equipment mechanics don't work on, obviously, including assault amphibious vehicles (AAV). There are other job specialties that work on other specific kinds of vehicles, a few of which are listed below.

Anyone interested in pursuing the engineer equipment job in the Marines would be well-served by having some knowledge of vehicles and engines before enlisting. It will likely come in handy during the formal training on the military vehicles these Marines are responsible for, as well as within the job itself.

Job Requirements

In order to be an engineer equipment mechanic in the Marines, recruits will need a mechanical maintenance (MM) score from the Armed Services Vocational Aptitude Battery (ASVAB) of 95 or higher. Once they've completed basic training, recruits will complete the construction equipment repairer course, at the Marine detachment at the U.S. Army Engineer School at Fort Leonard Wood, Missouri. Also, engineer equipment mechanics need to have normal color vision.

Similar Jobs

A related job to the engineer equipment mechanic is MOS 1345, the engineer equipment operator. The Marines in this job are tasked with operating gasoline or diesel-engine powered, self-propelled, skid-mounted, and towed engineer construction equipment.

It can include accessories and allied equipment used in earth moving, grading, excavation, logging, clearing, and landing operations. These are much larger and more specialized vehicles than the ones used by their counterparts in MOS 1341.

There's also MOS 2146, which is the main battle tank (MBT), repairer/technician. The duties of this job include vehicle maintenance of much larger and even more specialized military vehicles, such as the MBT tank retriever and the armored vehicle launched bridge. 

The Marines have a wide variety of vehicles they use for their combat and day-to-day operations. Having mechanics with specialized skills for each vehicle in question makes sense to prevent breakdowns and other problems that could lead to delay and jeopardize missions. 

Related Department of Labor Occupation Codes:

  • Construction-Equipment Mechanic 620.261-022.
  • Diesel Mechanic 625.281-010.

Related Marine Corps Jobs:

  • Main Battle Tank Repairer/Technician, 2146.

Derived from MCBUL 1200, parts 2 and 3