Mobile Truck Repair in San Antonio, TX
San Antonio is the northern anchor of the I-35 NAFTA corridor, the first major distribution market that cross-border freight reaches after clearing Laredo 150 miles to the south. Everything moving up from the busiest truck border crossing in the country passes through Bexar County, and much of it stops here to be sorted, stored, and re-shipped across the U.S. That trade-lane role, combined with a fast-growing manufacturing and aerospace base at Port San Antonio and heavy distribution on the south and east sides, keeps the region's freeways dense with Class 8 traffic. When a truck breaks down in that stream, it interrupts a supply chain that runs straight into Mexico.
- Region
- Greater San Antonio
- County
- Bexar County
- Population
- 1,470,000
- Dispatch
- 24/7/365
Repair that comes to San Antonio.
Interstate Fleet Services provides 24/7 on-site mobile truck and trailer repair across Greater San Antonio, rolling asset-based service trucks and a nationwide partner network to your breakdown, roadside, dock, or yard. Our technicians cover the corridors that carry this metro's freight — the I-35 trade lane through downtown and the northeast side, the I-10 and I-37 connections toward Houston and Corpus Christi, and the Loop 410 and Loop 1604 rings that organize the industrial parks. We repair diesel engines, tires, air brakes, reefer units, DPF and DEF systems, and fifth wheels on-site, so a driver never loses a day to a tow.
Our San Antonio coverage runs the whole Bexar County metro, from the Union Pacific San Antonio Intermodal Terminal on the southwest side to the Port San Antonio logistics and aerospace campus, and from the Toyota manufacturing complex in the south to the distribution parks along I-35 northeast toward Schertz and New Braunfels. Whether your reefer alarms hauling a cross-border produce load, your tractor throws a derate on Loop 1604, or your trailer drops its landing gear at a south-side dock, IFS dispatches a qualified technician with the parts to fix it where it sits. No towing, no shop line — and because we are backed by a nationwide partner network, no one stays stranded.
San Antonio freight sits on the front line of the U.S.–Mexico supply chain, and much of it is time-sensitive by nature — cross-border produce, just-in-time automotive parts for the Toyota complex, and intermodal boxes on tight rail cutoffs at SAIT. A truck that breaks down on the I-35 trade lane, at a southwest-side intermodal gate, or at a Port San Antonio dock is not just one stalled unit; it is a link in a chain that reaches across the border. Bexar County is spread out, dealership bays are concentrated and busy, and towing a loaded trailer across the metro or back toward Laredo wastes hours the freight cannot spare. Interstate Fleet Services removes the tow by sending certified mobile technicians in stocked service trucks directly to the breakdown — on the interstates and loops, inside the UP intermodal and Port San Antonio yards, or at a distribution dock on the south or east side. For fleets working the NAFTA corridor, an on-site fix keeps cross-border freight moving.
Corridors we run
Where we work
- Union Pacific San Antonio Intermodal Terminal (SAIT, southwest Bexar County)
- Port San Antonio logistics and aerospace campus (former Kelly AFB)
- Toyota Motor Manufacturing Texas and supplier park (south side)
- I-35 Northeast distribution corridor (Schertz / Selma / Live Oak)
- Brooks / South San Antonio industrial district
- East Side / AT&T Center Parkway logistics parks
- Westover Hills / SH-151 commercial corridor
- Loop 410 South industrial belt
- Tri-County / Guadalupe County distribution parks (near Schertz)
- San Antonio International Airport air-cargo district
The city we're rolling in.
Greater San Antonio's freight identity is built on I-35, the primary NAFTA highway that carries the enormous truck volume crossing at Laredo north through Bexar County toward Austin, Dallas, and the Midwest. I-10 crosses the metro east-west, linking San Antonio to Houston and the Gulf on one side and to El Paso and the West on the other, while I-37 runs southeast to the Port of Corpus Christi. Two loops — Loop 410 close in and Loop 1604 farther out — ring the city and channel truck traffic between the interstates and the industrial districts. Union Pacific operates the San Antonio Intermodal Terminal (SAIT), a 300-acre facility in southwest Bexar County near I-35 and Loop 410 that processes well over a hundred thousand containers a year and feeds the region's growing import distribution. Port San Antonio, the redeveloped former Kelly Air Force Base on the southwest side, combines a 1,900-acre logistics, aerospace, and rail-served industrial platform with direct Union Pacific access. The south side is also home to Toyota's truck manufacturing plant and its cluster of just-in-time suppliers, generating steady inbound and outbound heavy-truck traffic along the I-35 south and US-281 corridors.
San Antonio is a city in the U.S. state of Texas. It is the seventh-most populous city in the United States, the second-most populous city in Texas, and the second-most populous city in the Southern U.S., with a population of 1.43 million at the 2020 census. The Greater San Antonio metropolitan area, with an estimated 2.76 million residents, ranks as the third-largest metropolitan area in Texas and the 24th-largest in the nation. It is the county seat of Bexar County.
Everything we do, right here.
24/7 Mobile Emergency Road Service
One call, any hour. Our asset-based trucks roll to you roadside, at the dock, or in the yard — and our partner vendor network stands behind them so no one stays stranded.
Learn moreMobile Truck Repair
Diesel diagnostics and repair brought to your truck — engine, electrical, air, brakes, and the breakdowns that strand a load.
Learn moreMobile Trailer Repair
Keep the box rolling. We handle lights, brakes, landing gear, doors, and structural fixes wherever the trailer sits.
Learn moreCommercial Tire Service
Blowouts don't wait. Mobile commercial tire replacement and repair for tractors and trailers, day or night.
Learn moreTransport Refrigeration (Reefer)
Protect the load. Mobile reefer diagnostics and repair to hold temperature and keep perishable freight compliant.
Learn moreFleet Preventive Maintenance
Stop breakdowns before they start. Scheduled mobile PM service and DOT inspections that keep your whole fleet road-legal and rolling — on your yard, on your timetable.
Learn moreWhat we fix most in San Antonio.
- Mobile diesel engine diagnostics and field repair
- Commercial tire service — steer, drive, and trailer blowouts
- Air brake inspection, adjustment, and chamber replacement
- Transport refrigeration repair for cross-border produce loads
- DPF cleaning and DEF/SCR system diagnostics and repair
- Fifth-wheel, kingpin, and landing gear service
- Trailer electrical, ABS, and lighting compliance repair
Why this market never stops.
Greater San Antonio's freight identity is built on I-35, the primary NAFTA highway that carries the enormous truck volume crossing at Laredo north through Bexar County toward Austin, Dallas, and the Midwest. I-10 crosses the metro east-west, linking San Antonio to Houston and the Gulf on one side and to El Paso and the West on the other, while I-37 runs southeast to the Port of Corpus Christi. Two loops — Loop 410 close in and Loop 1604 farther out — ring the city and channel truck traffic between the interstates and the industrial districts. Union Pacific operates the San Antonio Intermodal Terminal (SAIT), a 300-acre facility in southwest Bexar County near I-35 and Loop 410 that processes well over a hundred thousand containers a year and feeds the region's growing import distribution. Port San Antonio, the redeveloped former Kelly Air Force Base on the southwest side, combines a 1,900-acre logistics, aerospace, and rail-served industrial platform with direct Union Pacific access. The south side is also home to Toyota's truck manufacturing plant and its cluster of just-in-time suppliers, generating steady inbound and outbound heavy-truck traffic along the I-35 south and US-281 corridors.
San Antonio, TX& the surrounding area.
Our trucks. Our techs. In San Antonio.
100% asset-based — real Interstate Fleet Services units and technicians rolling to your breakdown, not a referral hotline.






Down in San Antonio, TX? Call now.
Tell our dispatcher what the truck is doing and we'll get the nearest tech rolling — 24/7.
Does IFS respond to breakdowns on the I-35 NAFTA corridor through San Antonio?
Yes. I-35 through Bexar County is the busiest freight corridor we cover in San Antonio, carrying the cross-border traffic that comes up from Laredo, and we respond to roadside breakdowns along it around the clock. Whether you are stalled downtown or on the northeast side toward Schertz, call 1-888-589-9281 — we operate 24/7 and will route the closest available technician to your location.
Can IFS reach a truck inside the Union Pacific intermodal terminal or Port San Antonio?
Absolutely. The San Antonio Intermodal Terminal on the southwest side and the Port San Antonio logistics campus at the former Kelly field are both part of our regular coverage. Our service trucks are set up for intermodal and industrial-yard access, and we can coordinate gate credentialing while the technician is en route. Call 1-888-589-9281 with the facility and any check-in requirements and we will handle entry.
My reefer alarmed on a cross-border produce load in San Antonio — how fast can IFS respond?
Cross-border produce is exactly the kind of temperature-sensitive freight we prioritize, and reefer emergencies on loaded product are our highest-priority calls. We carry refrigerant, belts, and common ThermoKing and Carrier parts on the truck. Call 1-888-589-9281 immediately, describe the alarm code and produce type, and we will dispatch a reefer-certified technician before the load is at risk.
Does IFS cover the north side and the Loop 1604 industrial parks, or just downtown?
We cover the entire Greater San Antonio metro, including the Loop 410 and Loop 1604 rings, the Westover Hills and SH-151 corridor on the west, and the I-35 northeast distribution belt out toward Schertz and Selma. Exact ETA depends on your location and traffic, but we staff for 24/7 response across all of Bexar County. Call 1-888-589-9281 and dispatch will give you a realistic ETA.
Why use IFS's asset-based service near the Toyota plant and the south-side supplier parks?
Just-in-time automotive freight cannot wait, so it matters that we run our own service trucks and our own trained technicians — the unit that reaches your breakdown is accountable for the fix, not an unknown mechanic off a board. And because we are backed by a nationwide partner network, no one stays stranded even when volume spikes across the south side. Call 1-888-589-9281 any time — we are here 24/7/365.
