Light, Medium & Heavy-duty Truck Repair in Fontana, Ca

OnSite Truck & Equipment Repair in Fontana, CA, offers specialized truck repair, maintenance, and general services for your diesel vehicle or fleet. Call us at (951) 588-8000 for expert care for your diesel vehicle, bus, RV, or heavy equipment. We service all makes and models, including today’s most popular brands like Freightliner and Volvo.

Our Hours

Monday - Friday
7:00 AM to 4:00 PM

Saturday - Sunday
Appointments Only

24/7 Roadside assistance

About Us

Driven to keep you driving

Welcome to OnSite Truck & Equipment Repair, your trusted partner for expert truck maintenance and repair in Fontana, CA. Located at 10975 Hemlock Avenue, our family-owned shop is dedicated to providing top-notch service tailored to the needs of truck owners and operators in Southern California. Since taking ownership in 2018, Sean and his team have been committed to maintaining a personal touch, prioritizing strong, first-name-basis relationships with each of our clients.

Diesel Services in Fontana, CA

At OnSite Truck & Equipment Repair, we understand the critical importance of maintaining your diesel vehicles in top condition. Our general services for diesel vehicles and fleets are designed to cover every aspect of your diesel engine's needs, ensuring prolonged life and optimal performance. We offer thorough preventive maintenance, which is your first line of defense against unexpected breakdowns and costly repairs. Regular maintenance checks include oil changes, filter replacements, fluid level checks, and more, tailored to the specific requirements of diesel engines.

Are you facing challenges with dents, rust, or damage on your diesel vehicle or trailer? Discover unparalleled body work services that elevate the performance and appearance of your fleet at OnSite Truck & Equipment Repair in Fontana, CA.

Wondering where to turn for reliable bus repair and maintenance in Fontana, CA and surrounding communities? At OnSite Truck & Equipment Repair, we specialize in keeping your buses on the road with our comprehensive maintenance solutions designed for bus drivers and fleet managers.

Are you ensuring your fleet or diesel vehicle meets California's emissions standards? Discover how OnSite Truck & Equipment Repair in Fontana, CA, specializes in clean truck and smoke opacity testing to keep your diesel vehicles compliant and efficient.

Are you aware of the latest requirements for state and federal DOT inspections? OnSite Truck & Equipment Repair in Fontana, CA, specializes in professional DOT and BIT inspections for diesel vehicles and fleets, ensuring your compliance with all regulations.

Are you facing constant vehicle breakdowns and looking for reliable fleet repair and maintenance? OnSite Truck & Equipment Repair is your go-to solution for comprehensive fleet services. We ensure your fleet remains operational, efficient, and safe, covering extensive areas across Southern CA.

Are you searching for reliable general diesel repair services that keep your diesel vehicle or fleet performing at its best? Look no further than OnSite Truck & Equipment Repair in Fontana, CA, where expertise meets convenience to get you back on the road swiftly.

At OnSite Truck & Equipment Repair we provide heavy equipment repair and maintenance, ensuring your machinery stays in peak condition, ready to tackle any job.

Are you facing unexpected breakdowns, or can’t make it to the shop? OnSite Truck & Equipment Repair is your expert in mobile truck repair and fleet maintenance. We specialize in keeping your diesel vehicle running smoothly with professional on-site assistance wherever you are.

Are you looking to extend the lifespan of your diesel vehicles and minimize downtime? Discover how preventive maintenance with the team at OnSite Truck & Equipment Repair can make a difference.

Are you an RV owner seeking reliable and expert repair services? At OnSite Truck & Equipment Repair in Fontana, CA, we specialize in comprehensive RV repair and maintenance. Discover how we keep your recreational vehicle running smoothly, no matter where your journey takes you.

At OnSite Truck & Equipment Repair, we specialize in comprehensive trailer repair and maintenance services designed to keep you safely on the road. Whether you're managing a single diesel vehicle or a fleet, our expert team is here to assist with all your trailer needs.

OnSite Truck & Equipment Repair provides top-tier welding solutions tailored specifically to meet the needs of diesel operators and fleet managers. Discover how our expert services can enhance the durability and performance of your diesel vehicles.

Diesel Repairs in Fontana, CA

At OnSite Truck & Equipment Repair, we understand the critical importance of keeping your diesel vehicles and fleets in optimal condition. Specializing in general repair services for diesel vehicles, we offer comprehensive solutions that cater to the specific needs of diesel vehicle drivers and fleet managers. Our team of certified technicians is equipped with the latest tools and technology to provide high-quality repairs and maintenance services.

Are you aware of the pivotal role your vehicle's axle plays in ensuring safe and efficient operation? At OnSite Truck & Equipment Repair in Fontana, CA, we specialize in expert axle repair and maintenance for diesel vehicles and fleets, ensuring you remain on the road with minimal downtime.

Are you noticing a decrease in your diesel vehicle's brake performance? OnSite Truck & Equipment Repair in Fontana, CA, specializes in comprehensive brake repair and maintenance, ensuring your fleet operates safely and efficiently.

Are you experiencing overheating issues with your diesel vehicle or fleet? Our expert team at OnSite Truck & Equipment Repair in Fontana, CA, specializes in coolant system repair and maintenance, ensuring your engines run smoothly and efficiently.

Are you experiencing flickering lights or a persistent check engine light in your diesel vehicle? You might need professional help. At OnSite Truck & Equipment Repair, we specialize in pinpointing and resolving these issues for diesel vehicles and fleets across Southern California.

Whether you’re cruising through Palm Springs or managing a fleet in the bustling City of Industry, our specialized services in driveline repair and maintenance are designed to enhance your driving experience and extend the lifespan of your vehicles.

Are you looking for top-notch EGR system, DPF, DOC, and SCR cleaning for your diesel vehicles and fleets? OnSite Truck & Equipment Repair in Fontana, CA, is your premier destination for maintaining your diesel engine's aftertreatment system efficiency and longevity.

Are you dealing with diesel engine troubles? OnSite Truck & Equipment Repair specializes in comprehensive diesel engine solutions. Our expert team is dedicated to restoring and enhancing your vehicle's performance, ensuring reliability for both individual diesel drivers and fleet managers.

Wondering how to keep your diesel vehicles running smoothly and efficiently? At OnSite Truck & Equipment Repair, we specialize in comprehensive exhaust system repair and maintenance, ensuring your fleet is in top condition.

Are you seeking fast, efficient express lube services for your diesel vehicles? At OnSite Truck & Equipment Repair in Fontana, CA, we specialize in keeping your diesel engines running smoothly with top-tier lube services designed to extend the life and enhance the performance of your fleet.

Is your diesel vehicle or fleet struggling with HVAC issues? At OnSite Truck & Equipment Repair, we specialize in comprehensive HVAC system repair and maintenance, ensuring your vehicles operate efficiently and comfortably.

Are you looking for dependable oil and fluid services that keep your diesel fleet running smoothly? OnSite Truck & Equipment Repair is your go-to expert in Fontana, CA, providing specialized maintenance for diesel vehicles and fleets across multiple counties.

Does your diesel fleet suffer from bumpy rides and uneven tire wear? It might be time to check your suspension! At OnSite Truck & Equipment Repair in Fontana, CA, we specialize in comprehensive suspension repair and maintenance, ensuring your vehicles always operate smoothly and safely.

At OnSite Truck & Equipment Repair, we excel in providing top-tier tire repair and maintenance services designed to keep your vehicles running smoothly. Our expert team can extend the life of your tires and enhance your driving experience.

Are you facing issues with your diesel vehicle's transmission or clutch? At OnSite Truck & Equipment Repair in Fontana, CA, we specialize in high-quality transmission repair and maintenance, ensuring your vehicle or fleet operates smoothly and efficiently.

Are you experiencing uneven tire wear, steering difficulties, or a decrease in fuel efficiency? These could be signs of alignment issues in your diesel vehicle or trailer. OnSite Truck & Equipment Repair in Fontana, CA, is here to help restore your vehicle's performance and safety.

We Work With Them All

At OnSite Truck & Equipment Repair, we pride ourselves on delivering top-notch service for a wide range of manufacturers, ensuring that we can handle any make or model you bring to us.

What They're Saying About Us

See why our customers consider OnSite Truck & Equipment Repair the go-to repair shop in Fontana, CA and the surrounding areas!

Best truck repair in town!! Broke down on the side of the freeway - they sent a tech to me and he took my truck apart and had another technician bring him the part to replace! Quick, easy, efficient and super nice. Thanks Kacie, Maui and Vanessa!!

Freddy Daniel Miranda Silva

Very professional and great work done. Definitely have a returning customer with me and my trucks

Christopher Van Egmond

It was a privilege having your tech Payne work on our company equipment. He goes above and beyond every time and has excellent customer service skills. I look forward to Payne handling our account more regularly.

Jeff Brown

I took my personal truck to Onsite to get new tires. Working with Kacie she is professional. The Onsite team did a great job on the installation.

Joshua Shafor

My dad went in to get his truck fixed and this place did not disappoint. Adael was very friendly, walked him through the whole process and all associated costs. As a Spanish speaker, it’s nice to know people still care and take the time to help instead of trying to make a quick dollar. His truck was ready to go within the timeline he was given & he left a happy customer. Thank you!

Jazmine Vazquez

Contact Us

Need roadside assistance, have questions, or want to schedule your truck or trailer in for a service or repair? Get in touch, we're open Monday through Friday from 7:00am to 4:00pm.

Our Hours

Monday - Friday
7:00 AM to 4:00 PM

Saturday - Sunday
Appointments Only

24/7 Roadside assistance

Speak to a Service Advisor Now!