Los Herederos Shop
Heavy Duty Truck Repair
Full-service semi truck & diesel repair in Brownsville, TX. Fleet trusted by GIG Carriers. Extended hours Mon–Sat 8AM–8PM.
Heavy Duty Services
Complete truck & diesel repair for Class 8 semi trucks, fleet vehicles, and heavy equipment
Engine Repair & Overhaul
Complete diesel engine rebuild & repair. Head gaskets, injectors, turbo replacement, timing, oil leaks, and full overhauls.
Cummins, Detroit Diesel, Caterpillar, PACCAR engines.
Transmission Service
Manual & automatic transmission rebuilds, clutch replacement, Allison & Eaton Fuller service, shift repairs.
Allison, Eaton, ZF, Spicer transmissions.
Brake System
Safety CriticalAir brake system repair, drum & disc brakes, S-cam, slack adjusters, brake chambers, ABS diagnostics. DOT compliance.
Full air system service & inspection.
Electrical & Wiring
Alternator, starter, wiring harness repair, lighting systems, battery diagnostics, parasitic draw testing.
Complete electrical troubleshooting.
Cooling & A/C
Radiator repair, fan clutch replacement, water pump, thermostat, A/C recharge & compressor service for long-haul comfort.
Beat the South Texas heat.
Suspension & Steering
Air ride repair, leaf springs, king pins, tie rods, steering gear box, alignment. Keep your rig tracking straight.
Complete undercarriage service.
Welding & Fabrication
Frame repair, custom fabrication, exhaust welding, bracket repair, structural welding for trailers and chassis.
MIG, TIG & stick welding on-site.
Emergency Service
UrgentTruck down? Call us immediately. Extended hours Mon–Sat 8AM–8PM. We understand downtime costs money.
(956) 455-1325
Computer Diagnostics
Professional-grade diagnostic tools for all heavy duty diesel engines. Pinpoint the problem before we turn a wrench.
ECM / ECU Scan
Full engine control module reading. Fault codes, freeze frame data, and module programming.
Live Data Stream
Real-time engine parameters: boost, EGT, fuel pressure, injector balance, turbo speed.
DPF Regeneration
Forced DPF regen, soot level monitoring, aftertreatment system diagnostics & DEF quality testing.
Parameter Programming
ECM parameter changes, speed limiter adjustments, idle shutdown settings, PTO configuration.
Diagnostic Platforms
Why Choose Los Herederos
Perfect 5.0
13 Google reviews. Every single one is 5 stars. Zero complaints.
Extended Hours
Mon–Sat 8AM to 8PM. 12 hours a day, because trucking doesn't stop at 5.
Fleet Trusted
GIG Carriers has serviced their fleet here for years. Reliable & consistent.
Se Habla Español
Serving the Rio Grande Valley community. Bilingual service, no language barriers.
Trucks We Service
All major heavy duty truck & engine brands
Truck Manufacturers
Engine & Drivetrain

Meet The Team
Our Shop





What Customers Say
13 Google Reviews — EVERY one is 5 stars
“Strongly recommended. Reliable, honest and fair in prices. Been getting my trucks serviced by this shop for years.”
“Incredible shop with impeccable service. Incredibly honest, thorough, and highly competent. Goes above and beyond.”
“Good guys, fast and good priced. Changed fan clutch on my Volvo, super fast.”
Join 13+ satisfied customers with a perfect experience
Call (956) 455-1325