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For dependable diesel truck repair and fleet services in Modesto, consider Unified Truck Services, Inc. With over 35 years of hands-on experience and a reputation for honest, on-time work, we bring full-service diesel repair and preventative fleet maintenance directly to your location—no towing, no long shop delays, and no unnecessary downtime.
Whether you’re hauling produce, running regional freight, or operating local service routes, we help Modesto’s drivers and fleet managers keep their vehicles running reliably. Our mobile technicians show up ready to diagnose and repair diesel trucks, trailers, and equipment wherever the job takes you.
See what our customers are saying about us on Google. Reach out today and let’s talk about how we can keep your fleet running strong.
"United Trucking Service is hands down best around! They take pride in their work and pay attention to detail, making sure their customers are satisfied!"
"Solomon was awesome! He was able to fit us in on short notice and the turnaround was quick! We will be using his services on all our trucks. Highly recommend them!"
Modesto is a key transportation and agri-business hub in the Central Valley, and we understand how demanding your day-to-day operations can be. When a truck goes down or a warning light comes on, there’s no time to wait around.
That’s why our diesel truck repair service is fully mobile. We don’t ask you to bring the truck to us—we bring the shop to you. Whether your truck is parked at a depot, warehouse, packing facility, or on the side of Highway 99, our team is ready.
We provide:
Mobile engine diagnostics and performance repairs
Cooling system checks, radiator replacements, and overheating fixes
Fuel system cleaning and injector servicing
Electrical diagnostics, sensor repairs, and lighting solutions
Transmission and drivetrain service
Oil, filter, and fluid changes
Brake, suspension, and steering system checks
Trailer repairs (lighting, wiring, suspension, tires)
DEF system service and refills
Forklift maintenance for facilities with in-house equipment
DOT and 90-day BIT inspections
Every service is handled by certified diesel mechanics using professional-grade tools and parts. Our focus is getting your equipment back on the road—safely and efficiently.
We know what it takes to support a fleet. Whether you manage three trucks or thirty, our goal is to keep them moving with fewer breakdowns, better fuel efficiency, and less stress for your team. Our preventative maintenance plans are flexible, fully mobile, and built around your routes—not a fixed shop schedule.
We coordinate with your dispatch team to perform scheduled oil changes, inspections, diagnostics, and repairs at times that make sense for your operation. We also help track upcoming service intervals and inspection deadlines, so you’re never caught off guard by a compliance issue or worn-out component.
Our Modesto clients appreciate the time we save them, the transparency of our communication, and the reliability of our work.
We’re not a towing company that dabbles in diesel repair. We’re a full-service diesel maintenance provider with 35+ years of hands-on experience. When you call Unified Truck Services, you’re getting a technician who shows up on time, with the right tools, and who knows what they’re doing.
We’re proud to support Modesto’s diverse trucking operations—from agricultural carriers to construction transport to local delivery fleets. Every truck you keep on the road matters, and we treat your business like it’s our own.
Unexpected breakdowns can happen anywhere. If your diesel truck or trailer has a problem on the road or at a customer site, we’ll dispatch a mobile tech with everything needed to get you going again.
We cover emergency diesel repairs throughout Modesto and nearby areas like Riverbank, Ceres, Salida, and Ripon. Whether you’re facing a no-start, a fuel delivery issue, a brake system failure, or an overheating engine, we respond quickly and get you rolling again as soon as possible.
It’s simple. We care about keeping your trucks reliable, your schedule on track, and your business moving forward. Our clients stay with us because we show up, we’re easy to work with, and we fix the issue correctly the first time.
With years of experience and a mobile-first approach, we eliminate the headaches that come with traditional truck repair. No shop waits. No vague timelines. Just reliable service from professionals who understand diesel equipment and the demands of the road.
If you’re in Modesto and need help with diesel truck repair, trailer service, or preventative fleet maintenance, Unified Truck Services, Inc. is ready to support you. We’ll meet you where you are and get the job done—quickly, professionally, and with your business goals in mind.
Ready to schedule service or request mobile repair? Let’s keep your trucks in motion.
Call 408-420-2866 today to schedule an appointment or request service
We are your trusted local company specializing in commercial truck, RV, and trailer repairs, always ensuring top-quality service and customer satisfaction with our mobile repair services, bringing convenience to your location.
