Diesel Repair Services Directory
Browse 11,539 diesel repair shops and mobile mechanics by service type across the United States
Mobile Diesel Repair
Mechanics who bring the shop to your driveway, job site, or the shoulder of the road when a diesel will not move under its own power.
- Comes to your location
- On-site diagnostics
- Roadside and yard calls
- Fleet and farm visits
Diesel Engine Repair & Diagnostics
Shops that live inside Power Stroke, Cummins, and Duramax engines — computer diagnostics, injectors, turbos, fuel systems, and full rebuilds.
- Power Stroke, Cummins, Duramax
- Injectors, turbos, fuel systems
- Check-engine diagnostics
- In-frame and full rebuilds
Brakes & Air Systems
Hydraulic and air brake work for diesel pickups, medium-duty trucks, and semis — pads, drums, chambers, slack adjusters, compressors, dryers, and leaks.
- Air brake chambers and slack adjusters
- Compressors, dryers, air leaks
- Heavy-duty pads and rotors
- ABS and brake-light faults
DPF, DEF & Emissions
DPF cleaning and forced regens, DEF and SCR system faults, EGR coolers and valves, NOx and pressure sensors — the aftertreatment work that keeps a modern diesel legal and running.
- DPF cleaning and forced regens
- DEF pump, heater, and quality faults
- EGR valve and cooler repair
- NOx and DPF pressure sensors
Reefer & APU Repair
Thermo King and Carrier reefer units, auxiliary power units, and truck-mounted refrigeration — the small diesels and compressors that keep the load cold and the cab warm.
- Thermo King and Carrier Transicold
- APU service and repair
- Refrigerant and compressor work
- Reefer engine tune-ups
Trailer Repair
Dry vans, flatbeds, goosenecks, and equipment trailers — brakes, lights and wiring, landing gear, suspension, doors, floors, and DOT inspections.
- Lights, wiring, and ABS
- Landing gear and kingpins
- Suspension, hubs, and bearings
- Doors, floors, and roof patches
Fleet Maintenance
Preventive maintenance programs, DOT inspections, and scheduled service for businesses that run diesel trucks, vans, and equipment — with fleet accounts and after-hours access.
- PM schedules and record-keeping
- Annual DOT inspections
- Fleet billing accounts
- Multi-vehicle drop-off and pickup
RV & Agricultural Diesel
Diesel motorhomes and pushers, farm tractors, combines, and irrigation engines — shops with the bay height and the patience for the machines regular garages turn away.
- Diesel pusher and Class A motorhomes
- Tractors, combines, and implements
- Irrigation and generator engines
- On-farm and campground calls
Not sure what your truck needs?
Tell us the symptom and your vehicle. Request a free quote and we'll match you with diesel shops nearby that work on your engine — mobile or in-shop.