2141 vs 2147
Assault Amphibious Vehicle (AAV)/Assault Combat Vehicle (ACV) Repairer/Technician (USMC) vs Light Armored Vehicle (LAV) Repairer/Technician (USMC)
Two MOS codes that share nothing except a fierce, eternal argument about who's more "Marine." Spoiler: neither will concede.
2141's Hinge prompt — "A typical Sunday for me": heavy vehicle diesel mechanics — land or amphibious — are always employable. 2147's version: you will develop intimate knowledge of the Detroit Diesel 8V-53T and the Allison MT654CR transmission, the hydraulic turret system, and every other component that has the capacity to end your workday at 0100. One of these profiles gets more matches. We won't say which. The reviews below will.
After the Uniform
The part the recruiter skips: what each job actually translates to once you're a civilian — and what it pays.
Salary data from the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics program. A guide, not a guarantee.
Recruiter vs. Reality
The pitch versus what people who actually did the job report back.
“Maintain and repair the AAV-7A1 Assault Amphibious Vehicle's complex mechanical, hydraulic, and electrical systems. AAV mechanics keep the Corps' amphibious assault capability operational, developing heavy vehicle maintenance skills that directly transfer to civilian diesel mechanics careers.”
The AAV-7 has a diesel engine, a hydraulic system, a bilge pump system, a ramp system, a weapons station, and approximately nine thousand other components, each of which requires maintenance on a schedule that assumes you have more time and more parts than you actually have. The vehicle operates in saltwater, which is not a friendly environment for aluminum and steel. Corrosion control is not glamorous work. Hull integrity matters in a way it does not for land vehicles — a leaking AAV in surf conditions is a very different problem than a leaking HMMWV. The transition to ACV means you may find yourself cross-training on a newer platform mid-contract, which is either exciting professional development or logistical chaos depending on your perspective. The mechanics who understand both platforms become the institutional knowledge holders that every unit needs. Heavy vehicle diesel mechanics — land or amphibious — are always employable. The Marine Corps gave you a very specific skill set. The civilian world pays for it.
“You'll maintain the LAV-25 — the Marine Corps' eight-wheeled reconnaissance vehicle — across all of its systems: the Detroit Diesel engine, the 25mm Bushmaster cannon drive, the hydraulic turret, and the electronics that make it functional in the reconnaissance role. LAV maintenance is a specialized skill that the defense contractor community supporting wheeled armored vehicle programs actively recruits.”
The LAV-25 is a complex vehicle that operates in environments its designers did not necessarily optimize for — desert heat, jungle humidity, Okinawa salt air. You will develop intimate knowledge of the Detroit Diesel 8V-53T and the Allison MT654CR transmission, the hydraulic turret system, and every other component that has the capacity to end your workday at 0100. The Marine Corps LAR community is small and the vehicle is aging, which means the maintenance challenges are creative. Defense contractor positions supporting LAV sustainment programs, and positions supporting successor wheeled armored vehicle programs, recruit from the 2147 background specifically. The general wheeled armored vehicle mechanic skills also transfer to international defense contractor programs operating similar platforms.
Recent Reviews
Community Takes
Be the first to share your take on 2141 vs 2147
Compare Other MOS
Search by code or title, or browse by branch