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At Unified Truck Services, Inc., we take pride in offering a comprehensive range of mobile truck repair services designed to keep your diesel trucks and fleet vehicles running smoothly. Unlike traditional repair shops, we bring our expertise directly to you, providing on-site solutions that minimize downtime and ensure your vehicles perform at their best.
With over 35 years of experience, our ASE-certified mechanics specialize in diesel engine repairs, offering reliable service you can trust. Whether you need emergency road service, scheduled maintenance, or regulatory inspections, we’re your go-to repair team in Gilroy, CA, and beyond.
Your truck’s engine is the heart of your operations, and when it comes to diesel engines, precision is everything. At Unified Truck Services, we specialize in diagnosing and repairing diesel engines to keep your fleet running strong. Whether you’re dealing with unusual noises, loss of power, overheating, or an engine that won’t start, our mobile mechanics come directly to you to provide comprehensive solutions. From minor adjustments like fuel injector replacements to major overhauls such as cylinder head repairs or turbocharger replacements, we ensure your diesel engine is operating at peak performance. Our expertise extends to all makes and models, ensuring your fleet is always road-ready.
Modern trucks rely heavily on advanced electrical systems, and when something goes wrong, it can lead to unexpected downtime and costly delays. Our skilled team uses state-of-the-art diagnostic tools to pinpoint electrical issues quickly and accurately. Whether it’s a malfunctioning alternator, wiring issues, dead batteries, or faulty sensors, we have the knowledge and tools to get the job done. At Unified Truck Services, we understand how crucial your electrical systems are, from powering essential components to managing your diesel engine’s performance. That’s why we provide on-site electrical repairs that are as convenient as they are reliable.
When your check engine light comes on, it’s more than just an annoyance—it’s a signal that your truck may have a critical issue. Ignoring it could lead to further damage and more expensive repairs. Unified Truck Services offers fast and accurate diagnostics for check engine light alerts, ensuring you know exactly what’s wrong. Whether it’s related to emissions, fuel system inefficiencies, or turbocharger issues in your diesel engine, we’ll resolve it quickly to keep your fleet operational. Best of all, our mobile service saves you time and eliminates the hassle of visiting a shop.
Routine maintenance is the key to keeping your fleet vehicles dependable and cost-effective. At Unified Truck Services, our preventive maintenance programs are designed to extend the lifespan of your diesel trucks while reducing unexpected breakdowns. Services include oil changes, air and fuel filter replacements, fluid checks, and comprehensive vehicle inspections—all performed at your location to minimize downtime. With our tailored maintenance schedules, we can accommodate your fleet’s unique needs, even if it means servicing vehicles outside regular business hours.
Driving in extreme heat or cold can be challenging, and a faulty air conditioning or climate control system only makes it worse. Unified Truck Services specializes in repairing and maintaining A/C systems for diesel trucks. From refrigerant recharges and compressor replacements to fixing leaks and repairing blower motors, we ensure your truck’s cabin stays comfortable no matter the conditions. With our mobile service, we handle these repairs on-site, ensuring minimal disruption to your day.
Your safety—and the safety of others on the road—depends on properly functioning brakes, steering, and suspension. Unified Truck Services provides comprehensive inspections and repairs to ensure your diesel trucks are safe and reliable. From replacing brake pads and rotors to addressing issues with power steering or suspension components like shocks and struts, we handle it all. We prioritize safety and precision, using only high-quality parts to deliver lasting results.
Managing a fleet requires balancing efficiency, safety, and cost. At Unified Truck Services, we offer custom maintenance solutions designed to keep every vehicle in your fleet in top condition. Whether you need regularly scheduled services or assistance with unexpected issues, our mobile team works around your schedule to minimize downtime. By coming directly to your site, we help you save on towing and prevent costly disruptions. Our services include everything from diesel engine repairs to inspections, ensuring your fleet operates at maximum efficiency.
Staying compliant with DOT and BIT regulations is essential for keeping your fleet on the road. Unified Truck Services performs thorough DOT Annual Inspections, BIT Inspections, and Smoke Opacity Testing to ensure your trucks meet all safety and emissions standards. Our mobile service makes the process easy and convenient—we come to your site, inspect your vehicles, and provide the necessary certifications so you can focus on running your business.
Transmission and driveline issues can cause serious disruptions to your operations. Unified Truck Services specializes in diagnosing and repairing these critical systems, ensuring your diesel trucks shift smoothly and deliver power efficiently. Whether you’re dealing with slipping gears, strange noises, or vibration issues, our team provides expert on-site repairs to get you back on the road quickly.
Breakdowns don’t wait for convenient times, which is why Unified Truck Services offers emergency roadside assistance whenever you need it. Our mobile team is equipped to handle a wide range of issues, from diesel engine repairs to electrical problems and flat tires. Whether your truck is stranded on the highway or at a job site, we’ll come to you and provide fast, effective solutions to get you moving again.
Your trailer is just as important as your truck, and when it needs repairs, Unified Truck Services is here to help. We handle everything from electrical wiring and lighting systems to brake and structural repairs, ensuring your trailers are safe and compliant. Our mobile service means we can address these issues wherever your fleet is located, saving you time and money.
Efficient operation starts with a well-maintained truck. Unified Truck Services provides on-site battery testing and replacements, ensuring your diesel trucks have the power they need. We also replace air and cabin filters to improve engine performance and cabin air quality, helping your trucks run smoother and your drivers stay comfortable.
Emissions compliance is non-negotiable, and Unified Truck Services provides accurate smoke opacity testing to ensure your fleet meets state and federal standards. Our certified technicians perform these tests quickly and efficiently at your location, providing you with peace of mind and helping you avoid costly fines.
Modern diesel trucks are equipped with sophisticated onboard systems that require advanced diagnostic tools. Unified Truck Services uses the latest technology to identify and address issues with your engine, electrical systems, and more. By pinpointing problems quickly, we reduce downtime and provide cost-effective solutions tailored to your needs.
Fleet operations often extend beyond trucks, which is why Unified Truck Services also offers forklift repairs. From engine issues to hydraulic systems and safety checks, we keep your diesel-powered forklifts running reliably, ensuring your entire fleet is operational.
We’re not just another repair service—we’re a trusted partner dedicated to keeping your vehicles on the road. Here’s why customers continue to trust us:
When your trucks need expert care, Unified Truck Services, Inc. is here to help. Contact us today for reliable mobile diesel engine repair services and experience the difference of working with a team that puts your needs first.
Let’s keep your fleet moving—fast, reliable, and stress-free.
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.
