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Diesel & Truck Repair Shops in Helena, MT

12 of the 61 auto repair shops we list in Helena 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. Helena Import Repair

    3108 Euclid Ave, Helena, MT 59601

    Mon–Fri 8:30am–5:30pm

    Transmission repairDiesel & truckEuropean & importMuffler & exhaustA/C repairFinancingLoaner or shuttle
    Call Website Directions

  2. J&d Truck Repair & Towing

    789 Carter Dr, Helena, MT 59601-9711

    Mon–Fri 7:30am–5:30pm

    Mobile mechanicDiesel & truckTowing
    Call Website Directions

  3. CM Automotive

    3005 Prospect Ave, Helena, MT 59601

    Transmission repairDiesel & truckA/C repairLoaner or shuttleTowing
    Call Website Directions

  4. Blue Collar Diesel & Equipment Repair

    785 Carter Dr, Helena, MT 59601

    Diesel & truck
    Call Website Directions

  5. DJ's Automotive

    1691 Blaine St, Helena, MT 59601

    Transmission repairDiesel & truckMuffler & exhaustA/C repairLoaner or shuttle
    Call Website Directions

  6. Performance Authority Truck and Off Road

    1145 Hahn Rd, Helena, MT 59602

    Diesel & truck
    Call Website Directions

  7. R and R Diesel Repair

    1060 Blaine St, Helena, MT 59601

    Diesel & truckA/C repair
    Call Website Directions

  8. Cm Automotive

    3108 Euclid Ave, Helena, MT 59601-6644

    Transmission repairDiesel & truckLoaner or shuttleTowing
    Call Website Directions

  9. J and D Truck Repair Inc

    789 Carter Dr, Helena, MT 59601

    Diesel & truck
    Call Website Directions

  10. TransFleet Services

    2705 Airport Rd Unit 5, Helena, MT 59601

    Diesel & truck
    Call Directions

  11. Threshold Diesel and Fabrication

    2135 Wilder Ave, Helena, MT 59602

    Diesel & truck
    Call Directions

  12. Grizzly Diesel Services

    680 Elaine St, Helena, MT 59601

    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.

Also in Helena

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Diesel & Truck Repair Shops near Helena

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.