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Diesel & Truck Repair Shops in Oshkosh, WI

6 of the 48 auto repair shops we list in Oshkosh 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. J and R Auto Service

    629 N Main St, Oshkosh, WI 54901

    Mon–Thu 7am–5pm, Fri 7am–2pm

    Transmission repairDiesel & truckMuffler & exhaust
    Call Website Directions

  2. MB Garage LLC

    1104 N Main St, Oshkosh, WI 54901

    Diesel & truckA/C repair
    Call Website Directions

  3. DC Dynamics

    3807 State Road 21, Oshkosh, WI 54904

    Diesel & truckMuffler & exhaust
    Call Website Directions

  4. Caliber Diesel Performance

    4630 State Road 91, Oshkosh, WI 54904-9157

    Diesel & truck
    Call Directions

  5. Fleet Solutions Of The Fox Cities Llc

    2750 Universal St, Oshkosh, WI 54904-8940

    Diesel & truck
    Call Directions

  6. Apex Truck Repair

    3486 Sand Pit Rd, Oshkosh, WI 54904-9211

    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.

More in Oshkosh and Wisconsin

Diesel & Truck Repair Shops near Oshkosh

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.