24/7 Emergency Line
B&B Mobile Truck Repair technician replacing semi truck brakes on the roadside near Dexter, MO
24/7 Mobile Emergency Diesel Service

BROKEN DOWN?
WE COME TO YOU.

Fast, reliable mobile semi-truck and diesel mechanic service in Dexter, Missouri and the surrounding region. Don't pay for an expensive tow — we bring the shop, the computer, and the parts straight to your roadside location.

Zero Towing Fees
All Heavy Makes & Models
Locally Owned & Operated
Rapid Response

Immediate dispatch to US-60, I-55, and rural Missouri routes.

Available 24/7/365

Midnight, weekends, and holidays — we answer our phones.

We Come To You

Fully outfitted mobile service body with high-demand parts.

Experienced Techs

Led by Shadow Barnes. Honest diagnoses and heavy-duty skill.

Immediate Roadside Breakdown Assistance

Stranded On The Shoulder Right Now?

A dead semi sitting on the highway is a safety hazard and a massive freight penalty. Don't wait hours for a slow tow truck to haul you to a shop that won't look at it until tomorrow. Call B&B Mobile Truck Repair right now and we'll head your direction.

Emergency Dispatch: (573) 823-0037Average dispatch within minutes • Serving Dexter & region
Full Heavy-Duty Service Lineup

Complete Mobile Truck & Diesel Capabilities

From sudden electronic sensor shutdowns to mechanical failures on axles and air lines, our service truck is configured to fix 90%+ of breakdowns right on site.

24/7 Roadside Emergency Breakdown

Instant dispatch for stalled rigs, highway shoulders, and severe derate conditions anywhere near Dexter, MO.

Computer Diagnostics & Forced Regens

OEM-level diagnostic scanners for Cummins, Detroit, PACCAR, Volvo, and Mack to clear codes and force DPF regens.

Air Brake Repair & Chambers

Emergency air leak troubleshooting, frozen valves, governor replacements, glad hands, and brake chamber swaps.

Starters, Alternators & Jump Starts

Heavy-duty commercial jump-start units, battery load testing, alternator swaps, and high-torque starters.

Cooling System & Radiator Leaks

Blown coolant hoses, leaking water pumps, high-pressure silicone hose replacement, and overheat assistance.

Fuel Delivery & Priming Systems

Fuel filter replacements, gelled fuel treatment in winter conditions, injector lines, and high-pressure fuel priming.

Mobile Commercial Tire Service

Roadside tire changes, blown drive and steer tire swaps, rim inspection, and emergency inflation.

DOT Inspection Prep & Fixes

On-site repairs for lighting, airlines, suspension bushings, and safety violations before the weigh station.

Why Truckers Choose B&B

Built For Owner-Operators & Fleets Who Can't Afford Downtime

When you're pulling a load through Southeast Missouri, you don't have time for a repair shop to tell you "we'll look at it next Tuesday." You need a skilled mechanic who answers the phone, knows your engine, and has the grit to turn wrenches in the cold or heat.

Zero Tow Truck Gouging

Heavy-duty tows can easily run $800 to $2,500 just to drag you 15 miles. We fix it on the shoulder, saving you money and massive delays.

Direct Owner Accountability

Shadow Barnes stands behind every bolt, clamp, and sensor replaced. Honest work, fair pricing, and no inflated diagnostic runaround.

Dexter & Regional Highway Route Familiarity

We know the US-60, I-55, and Bootheel backroads inside and out. Wherever you're stranded, we know the safest, quickest way to reach you.

Diesel engine bay diagnostic and mechanical repair
Mobile WorkshopFully Stocked Service Body

Equipped with high-output air compressors, torch sets, diagnostic tablets, hydraulic jacks, and heavy-duty impact tooling to tackle roadside failures on the spot.

Fast & Simple Procedure

How Our On-Site Mobile Repair Works

No complicated intake forms or waitlists. When you're broken down, we make the process smooth, fast, and transparent.

01

Call Our 24/7 Line

Speak directly with Shadow or our lead technician. No endless hold music or corporate call center.

02

Pinpoint Location & Issue

Give us your highway mile marker, shoulder, or dock. We confirm truck make, engine type, and failure code.

03

We Dispatch With Parts

Our mobile repair truck rolls with diagnostic computers, air compressors, and common heavy-duty parts.

04

Repaired On-Site & Back Rolling

We fix it right where you sit, verify the repair with a road-ready test, and get your clock moving again.

Every Hour Counts For Your Hours-Of-ServiceWe provide realistic estimated arrival times so you can plan your logbook and delivery commitments.
Call (573) 823-0037
Local Regional Coverage

Dexter, MO & Southeast Missouri Service Radius

B&B Mobile Truck Repair is centrally based in Dexter, MO. From this home base, our mobile units quickly access key commercial freight corridors including US-60, Interstate 55, Interstate 57, and US-67.

Primary Highway Routes Patrolled:

US-60 CorridorInterstate 55 (I-55)Interstate 57 (I-57)US-61 & US-67Route 25 & MO-114

Surrounding Cities & Communities Served:

Dexter, MO
Sikeston, MO
Poplar Bluff, MO
Bloomfield, MO
Bernie, MO
Malden, MO
Cape Girardeau, MO
New Madrid, MO
Kennett, MO
Charleston, MO

Southeast Missouri Service Hub

Centered at Dexter, MO 63841

24/7 Response Zone
Stoddard County (HQ)
Dexter, Bloomfield, Bernie

Fastest local response time within minutes.

Scott & New Madrid Counties
Sikeston, New Madrid, Matthews

Direct US-60 east connection to I-55.

Butler & Dunklin Counties
Poplar Bluff, Malden, Campbell

Western coverage along US-60 & US-67.

I-55 & Regional Transit
Cape Girardeau to Hayti

On-site roadside and weigh station support.

Not sure if you're in range? Call us with your mile marker.
Check Coverage: (573) 823-0037
Real Driver Feedback

Trusted By Commercial Drivers Across Missouri

Feedback from commercial truck drivers and owner-operators stranded in Southeast Missouri.(Sample testimonials shown below — verified client reviews will update periodically)

"Blew a coolant line at 1:30 AM on US-60 right outside Dexter. Called B&B and Shadow answered right away. He was on scene in 35 minutes with the right hose and clamps. Saved my load from missing receiver cutoff."

Marcus T. — Owner Operator
Freightliner Cascadia • US-60 Breakdown

"Locked up air brake chamber on my trailer near Sikeston. The tow company quoted me $1,400 just to haul me to a yard. B&B showed up with a mobile truck, replaced the chamber, and had me rolling for a fraction of that."

David R. — Regional Flatbed Fleet
Peterbilt 389 • Trailer Brake Repair

"Severe engine derate code right before entering Missouri scale house. Shadow plugged in his diagnostic computer, identified a faulty DEF sensor, bypassed the derate safely, and saved me from an out-of-service citation."

Gary S. — Long Haul Reefer
Kenworth T680 • Computer Diagnostics
24/7 Mobile Dispatch Active Now

Need A Mechanic Right Now?

Do not let a roadside breakdown ruin your delivery schedule or empty your wallet on towing. Contact B&B Mobile Truck Repair now — we come directly to your location.

Owned & Operated by Shadow Barnes • Dexter, Missouri