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Career path

How to Become a Diesel Mechanic

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

Median pay$0k

Median pay is the midpoint of 24 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

    You learn: Diesel Engine Repair, Air Brake Systems, Hand and Power Tools.

  2. 2

    Shop hours and your first ASE test

    Months 13–18

    You learn: 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

    You learn: Preventive Maintenance, Hand and Power Tools, Air Brake Systems.

  2. 2

    Take on diagnostics and certify

    Months 15–30

    You learn: 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 →

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