Mack Repair in Fontana, CA

OnSite Truck & Equipment Repair is your go-to expert for all your Mack vehicle needs, ensuring your fleet operates at peak efficiency. Discover why we're the trusted choice for diesel vehicle drivers and fleet managers across Southern California.

Mack Repair and Maintenance Services in Fontana

At OnSite Truck & Equipment Repair, we understand the unique requirements of Mack trucks—vehicles renowned for their robustness and longevity in the demanding world of transportation. Mack trucks are distinguished by their innovative engineering and American heritage, making them one of the top choices for heavy-duty hauling and freight. Our technicians are equipped with the latest tools and possess in-depth knowledge of the latest Mack technologies and systems, from the MP series engines to Mack’s mDRIVE transmission systems.

Whether it’s routine maintenance or complex repairs, our team is adept at handling all aspects of Mack maintenance to ensure your vehicle's durability and high performance. We offer comprehensive services including engine diagnostics, suspension work, brake repairs, and more. Our shop in Fontana, CA, is strategically located to serve not just local clients but also those from Chino Hills, Claremont, Pomona, and as far as Palm Springs and the entire Inland Empire.

Call Us Today for Your Mack Truck Needs (951) 588-8000

Don’t let repair needs stall your operations. Contact OnSite Truck & Equipment Repair today at (951) 588-8000 to schedule a consultation or service appointment. We travel as far as needed to meet your requirements, providing top-notch service wherever you are.

FAQs

What makes Mack trucks unique?

Mack trucks are built with a focus on power, durability, and reliability, suited for both heavy-duty long hauls and local deliveries. Their engines are designed for optimal fuel efficiency and lower emissions, making them a preferred choice for businesses looking to reduce their environmental impact while maintaining high performance.

What types of Mack repair services do you offer?

We provide a full range of services, including engine diagnostics, electrical system repairs, transmission issues, suspension checks, and complete overhauls. Our technicians are specifically trained to handle the complexities of Mack trucks.

Which areas do you serve?

OnSite Truck & Equipment Repair is based in Fontana, CA, and serves all cities in Los Angeles County, Orange County, San Bernardino County, and the Inland Empire, including Chino Hills, City of Industry, Claremont, Jurupa Valley, Palm Springs, Pomona, and Riverside.

How do I schedule a repair or maintenance service?

Simply call us at (951) 588-8000. Our team is ready to assist you with scheduling a service that fits your timetable and ensures minimal downtime for your fleet.

Need Mack Truck Maintenance? Call Us Now at (951) 588-8000

Keep your Mack trucks in prime condition with OnSite Truck & Equipment Repair. Contact us today at (951) 588-8000 to learn more about our services or to schedule an appointment. We are here to help you maintain the reliability and efficiency of your fleet.

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!