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Diesel & Truck Repair Shops in Frederick, MD

6 of the 117 auto repair shops we list in Frederick have diesel engine or heavy truck repair.

Diesel engines and heavy trucks need different tools, parts and training than passenger cars, and many shops turn them away. Every shop here names diesel, semi, heavy-duty or commercial truck work in its business name, listing or on its own website — a shop that services “cars, trucks and SUVs” is not enough.

  1. Professional Auto and Truck Service

    900 E Patrick St Suite 5B, Frederick, MD 21701

    Diesel & truck
    Call Website Directions

  2. Superior Auto Service Center

    4624 Wedgewood Blvd, Frederick, MD 21703-7159

    State inspectionDiesel & truck
    Call Website Directions

  3. American Truck Services

    5294 Agro Dr, Frederick, MD 21703

    State inspectionDiesel & truck
    Call Website Directions

  4. Commercial Fleet Services

    5420 Yukon Ct Ste C, Frederick, MD 21703

    Diesel & truckMuffler & exhaust
    Call Website Directions

  5. Fix N Go, Llc

    620 E Church St, Frederick, MD 21701-5706

    Diesel & truckTowing
    Call Website Directions

  6. J&M Truck Repair, Inc.

    4618 Wedgewood Blvd, Frederick, MD 21703-7159

    Diesel & truck
    Call Directions
Say what you drive. A shop that works on diesel pickups (Duramax, Power Stroke, Cummins) is not always set up for semi trucks, and fleet shops may put contract customers first. If you run a commercial vehicle, ask whether they do DOT inspections.

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Good to know

Do I need a diesel specialist for my pickup?

Most shops can handle routine maintenance, but fuel injection, turbochargers, diesel emissions systems (DPF, DEF, EGR) and engine repairs are best done by a shop that works on diesels every day.

Where can I get a DOT inspection?

Commercial truck shops and some diesel repair shops perform annual DOT inspections with a qualified inspector. Call ahead — not every truck shop offers them.