Mobile Diesel Mechanic Dispatched to Your Location

Commercial Mobile Diesel Repair Services

CALL NOW FOR MOBILE SERVICES  (901) 258-1528

Diesel Doc provides six mobile diesel repair services across North Mississippi, Greater Memphis, and West Memphis/Eastern Arkansas: emergency roadside assistance, semi-truck and trailer repair, reefer and cold-chain repair, fleet preventive maintenance and DOT inspections, RV and motorhome emergency service, and heavy equipment repair. Every service is performed on location, by a certified mobile mechanic, so a shop visit usually isn’t necessary.

Contact Us

What We Fix

Our Services.

Serving North Mississippi • Greater Memphis • West Memphis • Eastern Arkansas

Every mobile mechanic rolls stocked for engine, electrical, hydraulic, and diagnostic work, so most repairs happen in one visit, on location.

Semi Diesel Truck on the roadside waiting on a repair

⇒ EMERGENCY

Diesel Roadside Assistance

Jump-starts, no-starts, fuel problems, and roadside diagnostics, dispatched directly to you.

Roadside Assistance ⇒

Cummins semi truck with hood up being repaired

⇒ FULL REPAIR

Mobile Semi-Truck & Trailer Repair

Engine, transmission, air brake, and ECM/ECU repair for sleeper cabs, day cabs, and trailers of every type.

Truck & Trailer Repair ⇒

Reefer Cold-Chain Truck waiting on Repair

⇒ COLD CHAIN

Reefer & Cold-Chain Repair

Thermo King & Carrier reefer diagnostics, compressor and alarm-code repair to protect temperature-sensitive freight.

Reefer Repair ⇒

Parking lot full of semi trucks needing fleet maintenance

⇒ FLEET

Fleet PM & DOT Inspections

On-site preventive maintenance and DOT/FMCSA-compliant inspections at your yard, keep your fleet moving.

Fleet Maintenance ⇒

An excavator on a jobsite needing a repair

⇒ EQUIPMENT

Heavy Equipment Repair

Excavators, loaders, dozers, and generators, serviced on the job site to avoid transport costs and delays.

Equipment Repair ⇒

A RV parked at a campsite

⇒ MOTORHOMES

RV & Motorhome Repair

Engine, chassis, and generator repair for Class A and diesel-pusher RVs, wherever they’re parked.

RV’s & Motorhomes ⇒

Which Service Do I Need

Find the right service for the situation.

A breakdown on the highway, at a dock, or on a job site right now.

Emergency Roadside Assistance ⇒

A semi-truck or trailer needing engine, air brake, electrical, or trailer door work, scheduled or urgent.

Semi-Truck & Trailer Repair ⇒

A reefer alarm, a compressor issue, or a trailer that isn’t holding temperature.

Reefer & Cold-Chain Repair ⇒

A DOT annual inspection, a compliance question, or scheduled maintenance for a fleet.

Fleet PM & DOT Inspections ⇒

An RV or motorhome that won’t start, or has a generator, chassis, or cooling issue.

RV & Motorhome Emergency Service ⇒

An excavator, loader, dozer, skid steer, backhoe, or generator down on a job site.

Heavy Equipment Repair ⇒

THE PROCESS

From breakdown to back-on-the-road.

.01

Call or Schedule

Give your location, vehicle or equipment type, and the problem.

.02

Dispatch

Mechanic routed to the roadside, yard, dock, campground, or job site.

.03

Diagnosis

Diagnostics scan to determine the cause.

.04

Repair or Service

Completed from the stocked service truck, no transport.

.05

Back to Work

Cleared to continue, with documentation when applicable.

WHERE WE WORK

Three Coverage Areas. One Call

Mississippi

North Mississippi

Cities

Southaven, Horn Lake, Walls, Hernando, Olive Branch, Coldwater, Senatobia, Holly Springs, Potts Camp, Oxford, New Albany, Batesville

Counties

DeSoto, Marshall, Tate, Tunica, Panola, Lafayette, Union

Tennessee

Greater Memphis

Cities

Memphis, Bartlett, Germantown, Collierville, Arlington, Oakland

Counties

Shelby, Tipton, Fayette

Arkansas

West Memphis / Eastern Arkansas

Cities

West Memphis, Marion, Jonesboro

Counties

Crittenden, Craighead

24/7

Dispatch Availability

3

States Covered

6

Service Lines

0

Tow Needed

WHY DIESEL DOC

Built for the road, not the shop.

True mobile capability

A fully stocked service truck comes to you, avoiding towing.

Certified technicians

Diesel-trained and diagnostics-certified across every major engine platform.

Tri-state coverage

Mississippi, Tennessee, and Arkansas from a single call.

Fleet-ready

DOT inspection authority, PM programs, and standing rate agreements.

All diesel platforms

Semi-trucks, trailers, reefer units, heavy equipment, and RVs.

Upfront pricing

A clear estimate before any work begins, no surprises at the ticket.

Our Certifications

  • DOT Certified

  • ASE Medium-Heavy Truck Certifications (Series T)

  • OEM Certification

  • EPA Certification

Straight answers, no guesswork.

F A Q

A current breakdown anywhere calls for emergency diesel roadside assistance. Everything else depends on what needs work: trucks and trailers, reefer trailers, RVs, heavy equipment, or scheduled fleet compliance.

Diesel Doc comes to the location, whether that’s a roadside, a yard, a dock, a campground, or a job site, across every service.

Yes. Every service is available across North Mississippi, Greater Memphis, and West Memphis/Eastern Arkansas.

Yes. Diesel Doc handles both emergency dispatch and scheduled, non-emergency work across every service.

Reefer and cold-chain repair is its own dedicated service, though it’s available through the same call as any other repair.

Semi-trucks, trailers, reefer units, diesel-powered RVs and motorhomes, and heavy equipment including excavators, loaders, dozers, skid steers, backhoes, and generators.

No. Tire service is not offered as part of any Diesel Doc service.

Yes. Every service includes an upfront estimate before any work begins.

Both, across every service. Diesel Doc serves independent owner-operators, contractors, and fleet accounts equally.

Yes. If a vehicle or piece of equipment has more than one issue, a technician can diagnose and address multiple systems in the same visit.

Response time depends on distance from the location at the time of the call. Emergency calls are prioritized in dispatch, and scheduled service is routed around the current queue.

Need any of our mobile mechanic services?

Call dispatch now. A mechanic will be routed to your exact location.