Truck Diesel Technician

    Automotive Technology

    CIP Name: Truck and Diesel Mechanic|CIP Code: 47.0613
    SOC Codes: 49-3023, 49-3031

    Apply technical knowledge and skills to the specialized maintenance and repair of trucks, buses, and other commercial and industrial vehicles.

    $55K
    Median Salary
    +3.3%
    Job Growth
    6mo-2yr
    Training
    48.3K
    Jobs/Year

    What Truck Diesel Technicians Do

    Apply technical knowledge and skills to the specialized maintenance and repair of trucks, buses, and other commercial and industrial vehicles.

    Common Tasks

    Automotive Service Technicians and Mechanics

    • 1Inspect vehicles for damage and record findings so that necessary repairs can be made.
    • 2Test drive vehicles and test components and systems, using equipment such as infrared engine analyzers, compression gauges, and computerized diagnostic devices.
    • 3Test and adjust repaired systems to meet manufacturers' performance specifications.
    • 4Repair, reline, replace, and adjust brakes.
    • 5Review work orders and discuss work with supervisors.

    What You'll Learn

    diesel engine mechanicssuspension and steeringbrake systemselectrical and electronic systemspreventive maintenance inspectionsdrive trainsgasoline engine mechanicsHVAC systemsauxiliary equipment installation and repair

    Types of Truck Diesel Technicians

    Automotive Drivability Technician (Auto Drivability Tech)Automotive Mechanic (Auto Mechanic)Automotive Service Technician (Auto Service Tech)Automotive Technician (Auto Tech)Diagnostic Technician (Diagnostic Tech)Heavy Line Technician (Heavy Line Tech)Lube Tech (Lubrication Technician)MechanicQuick Service Technician (Quick Service Tech)Service Technician (Service Tech)Bus MechanicDiesel MechanicDiesel Technician (Diesel Tech)Fleet MechanicGeneral Repair MechanicHeavy Truck MechanicService TechnicianTrailer MechanicTransit MechanicTruck Mechanic

    Work Environment

    Locations

    • • Fleet maintenance shops
    • • Truck dealerships and service centers
    • • Independent diesel repair shops
    • • Bus garages and transit agencies
    • • Construction and industrial equipment yards

    Schedule

    Most diesel mechanics work a set schedule, but evenings, weekends, and on-call shifts are common to keep fleets running with high time pressure.

    Physical Demands

    The work is physically active with lots of standing, walking, bending, and handling heavy parts and tools. Expect frequent repetitive motions and working in awkward positions under or around large vehicles.

    Salary & Job Outlook

    Median $55,155
    $37,669$83,418+
    Entry Level
    10th percentile
    $37,669
    Early Career
    25th percentile
    $43,701
    Median
    50th percentile
    $55,155
    Experienced
    75th percentile
    $69,680
    Top Earners
    90th percentile
    $83,418+

    National Employment: 1,125,500 jobs

    Top Paying States

    Why Demand May Grow

    Freight shipping and delivery fleets continue to expand, keeping more trucks and buses on the road that need maintenance and repair. As vehicles add more electronics and emissions systems, shops need technicians who can diagnose and service complex components.

    Skills You'll Need

    Mechanical aptitudeDiesel engine diagnostics and repairElectrical and electronic troubleshootingBrake, steering, and suspension serviceUsing hand and power tools safelyReading service manuals and work ordersAttention to detail and quality controlProblem-solving under time pressure

    Pros & Cons

    Pros

    • Strong demand for skilled technicians in fleets and repair shops
    • Good median pay compared with many other trades
    • Hands-on work with clear, practical results
    • Opportunities to specialize (brakes, electrical, drivetrains, HVAC)
    • Skills transfer across trucking, buses, and industrial vehicles

    Cons

    • Physically demanding work with risk of strains and injuries
    • High time pressure to get vehicles back in service
    • Dirty, noisy environments and exposure to chemicals
    • Ongoing need to learn new diagnostic and electronic systems
    • Some roles require shift work, nights, or weekends
    FAQ

    Common Questions About the Truck Diesel Technician Trade

    Not Sure This Trade is Right?

    Take our free career quiz to discover trades that match your interests and skills.

    Take the Career Quiz