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    DOT Inspections
    90-Day BIT Inspections
    CARB Clean Truck Check Support
    Diesel Diagnostics
    Fleet Maintenance
    Engine Repair
    EGR & DPF Repair
    Mobile Truck Repair
    Roadside Assistance
    Semi truck on a Southern California highway at dusk

    Mobile Truck Repairin Ontario, CA. We Come to You.

    At Rapid Diesel Repair, we offer comprehensive services for heavy-duty trucks, trailers, and RVs in Ontario, CA. From preventative maintenance to diagnostics, we keep your vehicles running efficiently. Call us to learn more about our expert solutions.

    Light, Medium & Heavy Duty Diesel
    Ontario, CA & Inland Empire
    Keeping Trucks on the Road

    Request Mobile Repair

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    Tell us about your truck and we will get back to you fast.

    Your information is kept private and used only to discuss your request.

    Real challenges. Real solutions.

    Your operations don’t have to stop.

    At Rapid Diesel Repair, we specialize in mobile truck repair, bringing our skilled technicians and advanced tools directly to your location in Ontario, CA, and surrounding areas.

    Breakdowns

    Mechanical issues can strike when you least expect them.

    Towing Costs

    Towing a heavy truck to a shop adds cost and delay.

    Lost Hours

    A parked truck means missed loads and deadlines.

    Tough Conditions

    Repairs often have to happen in yards and job sites.

    What does mobile truck repair cover?

    Equipped with state-of-the-art tools, our mobile units provide the same high-quality service you’d get in-shop, all from the convenience of your location.

    Engine Diagnostics and Repairs

    Addressing loss of power, overheating, or other critical issues.

    CALL RAPID DIESEL(909) 701 8755Talk with a diesel repair specialist

    Brake System Repairs

    Fixing air brake malfunctions and restoring stopping power.

    CALL RAPID DIESEL(909) 701 8755Talk with a diesel repair specialist

    Tire Services

    On-site repairs or replacements to get you moving again.

    CALL RAPID DIESEL(909) 701 8755Talk with a diesel repair specialist

    Electrical Repairs

    Resolving wiring, battery, and lighting issues.

    CALL RAPID DIESEL(909) 701 8755Talk with a diesel repair specialist

    Cooling System Repairs

    Fixing leaks, hoses, or radiators to prevent overheating.

    CALL RAPID DIESEL(909) 701 8755Talk with a diesel repair specialist

    Get back on the road in 3 steps.

    A simple process so you always know what is happening with your truck.

    1

    Tell us what’s going on

    Call or text your location and what’s happening.

    2

    We inspect and diagnose

    Our technician arrives and diagnoses on site.

    3

    Repair and roll

    We fix it where it sits so you skip the tow.

    What makes us different

    Fast, reliable and convenient.

    At Rapid Diesel Repair, we understand how costly downtime can be.

    Experienced Technicians

    Our team is trained to diagnose and fix issues efficiently, even in tough conditions.

    Convenience and Efficiency

    We eliminate the need for towing, saving you time and money.

    Service Across Southern California

    We proudly serve Ontario and surrounding areas, ensuring help is always nearby.

    Built for Fleets

    Our mobile services are perfect for fleet managers and owner-operators who need reliable repair solutions without the hassle of towing.

    Why choose Rapid Diesel Repair?

    Comprehensive Expertise

    From heavy-duty trucks to RVs, we service all diesel vehicles.

    Fast Turnarounds

    We understand downtime costs money, so we work efficiently without cutting corners.

    Customer-Focused Approach

    Clear communication, transparent pricing, and top-notch service are our priorities.

    OntarioRancho CucamongaFontanaRiversideSan BernardinoPomonaChinoEastvaleUplandLos AngelesOrange County

    Frequently Asked Questions

    Mobile Truck Repair FAQs

    Straight answers about mobile truck repair.

    We proudly serve Ontario, San Bernardino, Riverside, Los Angeles, Orange County, and the Southern California Inland Empire.

    Contact us about mobile truck repairs now!

    Don’t let a breakdown slow you down.

    Call Rapid Diesel Repair at 909-701-8755 for expert mobile truck repair services. Let us bring the shop to you and get your vehicle back on the road, fast.