19 mobile services · 24/7
Mobile Diesel Repair Services in Laredo, TX
Everything a mobile diesel mechanic can do for your semi truck, 18-wheeler, or work truck without a tow — performed on the shoulder, at the truck stop, or in your yard.
Roadside & Emergency
The calls that can’t wait: trucks stopped on the shoulder, in a lot, or at the dock.
Emergency Roadside Assistance
24/7 breakdown response around Laredo. Air leaks, no-starts, blown tires, derates, and warning lights handled where the truck sits.
Full detailsMobile Truck Repair
Engine, air, electrical, and driveline repairs performed where your truck is parked — highway shoulder, truck stop, yard, or customs lot.
Full detailsMobile Tire Service
Blowouts and flats on steer, drive, and trailer tires. Commercial tire changes on the shoulder, at the truck stop, or in the yard.
Full detailsJump Start & Fuel Delivery
Dead batteries and empty tanks. Heavy-duty jump starts, battery testing, and diesel delivered to the truck to get you rolling again.
Full detailsLockout Service
Locked out of the cab with the keys inside or the engine running? We get you back in without breaking a window.
Full detailsEngine, Emissions & Electrical
Warning lights, derates, overheating, and no-starts — diagnosed and repaired at the truck.
Diesel Engine Diagnostics
Check-engine light, derate, or fault codes? We connect diagnostic software at the truck and tell you what’s wrong and whether it’s safe to drive.
Full detailsDPF, DEF & Regen Service
Aftertreatment faults, DEF derates, plugged DPFs, and failed regens. Parked regens on site when the system allows, plus sensor and DEF system repair.
Full detailsFuel System Repair
Fuel restriction, air in the lines, leaks, and hard starts. Filters, water separators, lift pumps, and fuel lines repaired on site.
Full detailsCooling System & Radiator Repair
Overheating, coolant leaks, blown hoses, broken belts, and bad fan clutches. Cooling repairs on site so a hot engine doesn’t become a dead one.
Full detailsTruck A/C Repair
No cold air in a Laredo summer is a real problem. A/C compressor, condenser, blower, and refrigerant leak repairs at your truck.
Full detailsElectrical & Charging Repair
Dead batteries, bad alternators, failed starters, lights out, and wiring shorts. Electrical diagnosis and repair at your truck.
Full detailsBrakes, Air & Chassis
Air brakes, air lines, hydraulics, suspension, and driveline — the systems inspectors check first.
Air Brake Service
Air leaks, brakes out of adjustment, dragging or locked brakes, and low-air warnings. Air brake repair on tractors and trailers.
Full detailsSuspension & Driveline Repair
Blown air bags, broken springs, bad shocks, U-joints, driveshafts, and wheel seals. Chassis and driveline repairs done on site.
Full detailsHydraulic Hose & Air Line Repair
Blown hydraulic hoses on dump trucks, wet kits, and liftgates, plus air line and fitting leaks. Hoses and lines replaced on site.
Full detailsTrailer, Reefer & Welding
Dry vans, flatbeds, reefers, and the steel that holds them together.
Trailer Repair
Dry vans, reefers, flatbeds, and container chassis. Trailer brakes, lights, air lines, landing gear, doors, and suspension fixed where the trailer sits.
Full detailsReefer Unit Repair
Reefer won’t start, won’t hold temp, or throwing alarms? Mobile refrigeration unit repair for Thermo King and Carrier Transicold units.
Full detailsMobile Welding
Cracked brackets, broken mounts, trailer crossmembers, and bumpers. Welding and fabrication repairs brought to your truck, trailer, or yard.
Full detailsFleet & Compliance
Keep trucks inspected, maintained, and out of the shop — done at your yard.
DOT Inspection
Annual DOT inspections and pre-inspection checkups at your yard. Find and fix defects before a roadside inspector does.
Full detailsFleet Preventive Maintenance
PM service at your yard: oil changes, filters, lube, and inspections on schedule, so trucks stay on the road and out of the shop.
Full detailsNot sure what’s wrong?
That’s normal. You don’t need to know which service to ask for. Call and describe what the truck is doing — the lights on the dash, the noise, the smell, or what happened right before it quit. Dispatch will figure out what kind of help to send, starting with diagnostics when the cause isn’t obvious.