24/7 Emergency Requests
Semi truck driving on the highway at sunset
Mobile diesel repair · Southern California

Unit down on the road:Immediate assistance

Professional mobile truck and trailer diagnostics, repairs and preventive maintenance. Regular hours Mon–Fri 8 AM – 6 PM, with 24/7 emergency requests. Less downtime, more operation.

After-hours service is subject to availability and confirmation.

Mon–Fri 8 AM – 6 PM 24/7 emergency requests Southern California Professional diesel technician
Emergency Requests 24/7
After-hours roadside assistance, subject to availability.
Response Time Varies
Confirmed with you before dispatch.
Mobile Diagnostics & Repair
We come to your truck, yard or job site.
Professional Diesel Technician
Diagnostics, aftertreatment, electrical and more.
Services

Mobile truck & trailer services

Truck road service and mobile diesel repair across Southern California: on the road, in the yard or at your job site.

SOS Road Service & Derate Diagnostics

Truck stuck in derate or losing power on the road? Our mobile service unit comes to your location to diagnose the problem and perform on-site repairs whenever possible.

  • 24/7 emergency requests
  • On-site diagnostics
  • On-route repair

Preventive Maintenance

Oil and filter changes, chassis lubrication, transmission service, and scheduled fleet maintenance at your yard or job site.

Electronic & Engine Diagnostics

Check engine lights, fault code troubleshooting, sensor testing, and engine performance diagnostics.

DPF / DEF / SCR & EGR Services

Troubleshooting and repair of aftertreatment systems, DEF delivery problems, NOx sensor faults, and EGR issues.

CARB Clean Truck Check — OBD Testing

Mobile OBD emissions testing for eligible trucks. Convenient on-site service for individual trucks and fleets.

Electrical & Starting Systems

No-start diagnostics, batteries, starters, alternators, wiring repairs, and lighting issues.

A/C & Cooling System Repair

Air conditioning diagnostics and repair, coolant leaks, radiators, hoses, and fan clutch service.

Annual DOT & 90-Day Inspections

On-site truck and trailer inspections to help keep your fleet safe, compliant, and ready for the road.

  • Annual DOT inspections
  • 90-day / BIT inspections
  • Written inspection reports
  • Repair recommendations

Brakes, Suspension & Trailer Repair

Air brake repairs, air leaks, air bags, suspension components, wheel seals, and minor trailer repairs.

Liftgate & Hydraulic Repair

Liftgate troubleshooting, hydraulic pumps, cylinders, fluid leaks, and electrical controls.

How it works

From the report to the unit released

Requested

You report the breakdown by call or WhatsApp. We confirm availability and ETA before dispatch.

En Route

A mobile service unit with technician and parts heads to the breakdown point.

In Repair

On-site diagnostics and repair. Real-time photo report.

Completed

Unit released, invoice and service report delivered.

8 AM–6 PM
Regular hours · Mon–Fri
24/7
Emergency requests
10services
Mobile truck & trailer
SoCal
Southern California coverage
Service Area

Truck road service across Southern California

Mobile service in the Inland Empire and surrounding SoCal cities, with 24/7 emergency requests. Broken down on the highway, at a truck stop or in the yard? We roll to you.

Highways we run
I-10I-15I-215SR-60SR-91
  • Perris truck road service
  • Riverside truck road service
  • Moreno Valley truck road service
  • Menifee truck road service
  • Hemet truck road service
  • Corona truck road service
  • Jurupa Valley truck road service
  • Mira Loma truck road service
  • Fontana truck road service
  • Ontario truck road service
  • Rancho Cucamonga truck road service
  • San Bernardino truck road service
  • Rialto truck road service
  • Colton truck road service
  • Redlands truck road service
  • Beaumont truck road service
  • Banning truck road service
  • Temecula truck road service
  • Murrieta truck road service
  • Lake Elsinore truck road service
Hours

Mobile diesel repair & emergency roadside assistance

Professional mobile truck and trailer diagnostics, repairs, and preventive maintenance.

Regular Business Hours

Monday – Friday

8:00 AM – 6:00 PM

Scheduled maintenance, diagnostics and repairs.

After-Hours Emergency Service

Evenings, weekends & holidays

24/7 Emergency Requests

Emergency roadside assistance may be available outside regular business hours. All emergency requests are subject to technician availability, location and service requirements. Response times and service availability are confirmed before dispatch. Additional after-hours and emergency service fees may apply.

Request Emergency Service
FAQ

Road service questions

Straight answers about our hours, emergency road service and mobile CARB testing.

What are your hours? Do you offer 24 hour road service?

Our regular hours are Monday to Friday, 8 AM to 6 PM, for scheduled maintenance, diagnostics and repairs. We take emergency road service requests 24/7: after-hours roadside assistance (evenings, weekends and holidays) is subject to technician availability, response times are confirmed before dispatch, and additional after-hours fees may apply.

What areas do you cover?

We cover Southern California, with mobile service across the Inland Empire: Perris, Riverside, Moreno Valley, Menifee, Hemet, Corona, Jurupa Valley, Mira Loma, Fontana, Ontario, Rancho Cucamonga, San Bernardino, Rialto, Colton, Redlands, Beaumont, Banning, Temecula, Murrieta, Lake Elsinore and along I-10, I-15, I-215, SR-60, SR-91.

What can you repair on the road?

Our mobile service units handle derate and loss of power, check engine lights and fault codes, DPF / DEF / SCR and EGR problems, no-starts, batteries, starters and alternators, A/C and cooling leaks, air brakes and air leaks, suspension, wheel seals, minor trailer repairs and liftgates. We diagnose on site and repair whenever possible.

Do you do mobile CARB Clean Truck Check testing?

Yes. We perform CARB Clean Truck Check OBD emissions testing for eligible trucks at your yard or job site, for individual trucks and fleets, so they don't have to leave the route to stay compliant.

Do you do annual DOT and 90-day inspections?

Yes. We perform annual DOT inspections and 90-day / BIT inspections for trucks and trailers on site, with written inspection reports, documented findings and repair recommendations.

How fast can you get to my truck?

Response time varies with your location, traffic and technician availability. When you call or send a request, we confirm availability and an estimated arrival time before dispatch.

Service Request

Request service for your fleet

Request 24/7 road service, book a Clean Truck Check OBD test or a DOT / 90-day inspection, schedule preventive maintenance or request an annual contract. We confirm availability and response time before dispatch.

Emergency24/7 requests — after hours subject to availability, additional fees may apply
RegularMon–Fri 8 AM – 6 PM — scheduled maintenance, diagnostics and repairs
ContractAnnual coverage for your full fleet