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Diesel & Truck Repair Shops in Janesville, WI

6 of the 65 auto repair shops we list in Janesville 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. Rock Diesel Of Milton

    4365 Milton Ave, Janesville, WI 53546

    Mon–Fri 8am–5pm

    Smog & emissionsTransmission repairDiesel & truck
    Call Website Directions

  2. Maxxed Out Motorsports

    110 S Orchard St, Janesville, WI 53548

    Mon–Fri 8AM – 5PM

    Diesel & truck
    Call Website Directions

  3. Als Diesel Inc.

    1705 Newport Ave, Janesville, WI 53545-0217

    Diesel & truckFree estimates
    Call Website Directions

  4. Block Diesel Repair Inc

    3248 S Tower Dr, Janesville, WI 53546-9097

    Diesel & truck
    Call Directions

  5. C & C Johnson Truck Repair

    100 S Pine St, Janesville, WI 53548

    Diesel & truck
    Call Directions

  6. K W Truck Auto Repair

    104 Sherman Ave, Janesville, WI 53545-0722

    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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Diesel & Truck Repair Shops near Janesville

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.