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How to Become a Diesel Mechanic

Every route into keeping trucks and heavy equipment on the road instead of in the yard.

Median pay$80k

Median pay is the midpoint of 39 recent Diesel Mechanic postings in that index that published a salary range — not a national average.

Where are you starting? (no signup)

Every route in

Diesel technology program

18 months · about $15.1k

  1. 1

    Engines, brakes, and electrical coursework

    Months 1–12

    • Diesel Engine Repair
    • Air Brake Systems
    • Hand and Power Tools
  2. 2

    Shop hours and your first ASE test

    Months 13–18

    • Diagnostic Scan Tools
    • Preventive Maintenance
    • Hydraulics

    ASE Medium/Heavy Truck Certification (T-Series) · National Institute for Automotive Service Excellence (ASE) · $96 · about 3 months

    Programme details →

Start as a lube tech and work up

30 months · about $96

  1. 1

    PM and service work in a truck shop

    Months 1–14

    • Preventive Maintenance
    • Hand and Power Tools
    • Air Brake Systems
  2. 2

    Take on diagnostics and certify

    Months 15–30

    • Diagnostic Scan Tools
    • Diesel Engine Repair
    • Hydraulics

    ASE Medium/Heavy Truck Certification (T-Series) · National Institute for Automotive Service Excellence (ASE) · $96 · about 3 months

    Programme details →