Box Truck Repair Services in Fontana, CA Serving Southern California

Box Truck Repair in Fontana, CA

At JB Trailer Service, our in-house team of diesel mechanics specializes in medium- and heavy-duty commercial trucks—including stake bed trucks and box vans—with fast turnaround times and quality workmanship.

Services We Offer:

• Electrical and lighting services
• Liftgates and hydraulic system repairs
• Suspension wear and steering
• Brake system diagnostics and repairs
• Alignment services
• Body work

Each repair starts with a full diagnostic inspection using advanced software and OEM-grade tools. Whether you're dealing with box truck electrical issues or suspension problems, we’ll pinpoint the problem and get you safely back on the road.

We also offer mobile box truck repair throughout Fontana and surrounding areas for fleet clients and on-location needs—but most major repairs are done right here at our facility.

What Makes Us Different

At JB Trailer Service, we know that not all repair shops are built the same. Our difference lies in our approach to service: we treat every job like it’s our own truck on the line.

Here’s what sets us apart:

• Fleet Expertise: Whether you run one cube van or a dozen stake bed trucks, our team works efficiently to reduce downtime and keep your deliveries on schedule.
• Comprehensive In-Shop Repairs: Our Fontana facility is equipped with modern diagnostic tools, repair bays, and certified diesel mechanics who can tackle complex engine, transmission, and brake issues with ease.
• Mobile Repair: Can't make it to the shop? We offer mobile repair services for minor issues or diagnostics, saving you time and avoiding unnecessary towing.

No shortcuts. No guesswork. Just expert repairs backed by years of industry experience and customer satisfaction.

Vehicles We Service

We specialize in servicing a wide range of commercial vehicles, from individual trucks to entire fleets. Our technicians are especially experienced in diagnosing and repairing liftgates, van bodies, and flatbed platforms. No matter your setup, we have the tools and expertise to keep you rolling.

We service:

• Heavy-duty trucks
• Trailers
• Fleet vehicles
• Box vans
• Straight trucks
• Cube trucks
• Cube vans
• Stake bed trucks

Contact Us About Box Truck Repair Now

Need your box truck back on the road fast? Whether it's brake issues, a faulty liftgate, or an engine warning light, call JB Trailer Service at 909-355-8587 for professional box truck repair in Fontana. In-shop or on-site—we’ll take care of it.