Office: (817) 462-1532


Heavy Duty Truck Repair, Diesel Repair and Onsite Diesel Repair
Arlington – Grand Prairie – Irving – Dallas – Surrounding Cities


OnSite Fleet Services of Texas We are capable of performing on-site, mobile truck repairs including tune-ups, batteries, water pumps, electrical systems, starters, charging systems, air and hydraulic brakes, diesel and gas engines, and more. Our mechanics are qualified to conduct annual vehicle inspection reports (DOT Inspections). We are your one stop from have windshield repair to electrical repairs. We also perform on-site trailer repair, forklift repair and RV repairs: Trucks, trailers, forklifts, RVs, hydraulics, we fix them all! We are experts in mobile maintenance and repair of all gas, diesel and propane engines.

With many years of experience providing mobile truck repair, we have the expertise you need to get your truck back on the road as soon as possible. We know that anytime your rig breaks down, multiple parties are losing money. Because we understand your urgency, we will dispatch the closest mobile truck repair mechanic to your location to fix your truck without delay— and at highly competitive rates.

Our knowledge of trucks runs deep. When dealing with our team, you can be sure that the information you receive from our trusted professionals can be treated as gospel. We spend time researching trucks so that our knowledge is constantly improving. We offer our staff learning opportunities they can use to improve their service when working on your vehicle. So when your truck needs repair, you can rest assured it is in good hands when you call OnSite Fleet Services of Texas.



OnSite Fleet Services of Texas Mobile full-service commercial fleet maintenance and repair. We also offer on-site fleet maintenance programs to assist in keeping your trailers in-service at all times. Our technicians back at the shop perform all types of repair, whether it is a PM service or a unit that needs more extensive repairs. We will repair your truck in no time. Visit our facility to see why we are the best at what we do! OnSite Fleet Services of Texas specializes in quick, road side service intended to save hundreds, if not thousands of dollars in tow bills as well as in out of service violations.

The trailer is an integral part of your job as a truck driver. Your trailer is also essential in ensuring your safety when out on the open road. If something goes wrong with your trailer, OnSite Fleet Services of Texas is the name to call. Whether you are experiencing braking issues, electrical issues like wiring and lights, tire alignment or mounting points, problems with bearings, or other possible problems that can occur within your trailer – there is no one better to call than our team. We also offer tire replacement and repair services.

Our specialty in this area goes far beyond just trailer repair too. We are full-blown trucking repair experts. Call us for any number of problems, including the following.


OnSite Fleet Services of Texas We can install, service, maintain, refinish, and repair all models of liftgates. Our mechanics are qualified to diagnose and repair all structural, hydraulic, and electrical issues. We guarantee customer satisfaction. Call us today and speak to an expert. Preventative maintenance can dramatically reduce road calls and downtime. OnSite Fleet Services of Texas offers a complete service performed by a trained technician. Be sure to have a conversation with us about your lift gates and their usage before they break down so that we can help you plan an inspection schedule that best suits your needs. Contact OnSite Fleet Services of Texas today!

When it’s time to unload or load delivery, you can’t afford to have any issues with your liftgate. You depend on your liftgate to bring heavy loads to and from your container unit. It is a critical part of your truck that is often neglected or taken for granted. The motors on lift gates are very powerful, but they still need semi-regular checkups and maintenance to run smoothly for a long time.

If you suspect that your liftgate needs maintenance or is not functioning correctly, please get in touch with our team. We will fix the problem wherever you are.


OnSite Fleet Services of Texas our maintenance schedule software tracks for you when each vehicle is due for service based on your particular needs and the truck’s usage patterns. When a vehicle is due for service, we call to schedule an on-site appointment, allowing you to keep vehicles on the road during your peak business hours. We will send you, at no charge, a scheduling sheet monthly so that you can see when a vehicle is coming due for service. We maintain a file on each vehicle containing preventative maintenance and vehicle repair records, easily accessible at your request. This eliminates the need for managers to worry about their fleet’s service maintenance and gives them immediate vehicle information on servicing and vehicle status. This OnSite Fleet Services of Texas system keeps companies in compliance with Paragraph 396 of the Federal Motor Carrier Guide concerning an approved maintenance service program.


OnSite Fleet Services of Texas specializes in determining a specific maintenance plan for each diesel vehicle. We thrive on constantly researching recurrent factory problems and issues and technical service bulletins, therefore, keeping abreast of all service requirements to keep your individual vehicle, or fleet vehicle, in its optimum running condition.

Your truck is important to you. If it’s a commercial vehicle, it’s a part of your business. If your truck has engine problems, having downtime is just unacceptable. You can be assured we make every attempt to provide the fastest turnaround without sacrificing quality work and quality time to every detail. OnSite Fleet Services of Texas Customer satisfaction is our number one priority, every-time, all the time!

Aside from your engine being wholly blown, we can fix most problems quickly. Getting your truck back on the road safely is our ultimate goal. Regardless of how fast we fix your truck's engine, we won’t let you leave until a complete safety inspection has been completed.

It doesn’t need to be stated that having our professional mobile mechanics come to you and fix your problem is better than going to the shop and waiting for it to be fixed. Call us at (817) 462-1532, tell us what you think the issue is, and we will come prepared as best we can. There are rarely issues we cannot fix with us on the spot, so please get in touch with our team to have one of our fully equipped repair trucks out to your location.


OnSite Fleet Services of Texas is focused on the work that extends the life of your vehicle. We greatly reduce breakdowns and corrective maintenance costs. We will contact you to schedule services which include oil changes, filter replacement, clutch adjustments, checking gear oil levels, lubrication of chassis and moving components, inspection of charging system, measurement of brake pads and shoes, adjustment of air brakes, transmission services, and replacement and repair of all lighting and electrical systems. During our service, we perform over 26 functions to keep your vehicles in compliance with federal regulations.

We provide nothing but the best for our clients. That’s why when you call us, you can trust that your vehicle will be safe to operate once again. Call us for your mobile truck troubles, and you are sure to become a part of our long list of more than satisfied clients.

Upfront Pricing on Mobile Diesel Repair

Just because your truck is broken down on the side of the road doesn’t mean you should necessarily hire the first mobile mechanic you come across. At OnSite Fleet Services of Texas, our customers know that we are always willing to provide a trustworthy quote at the start of a job to be sure they are getting the work they need at a fair price. If you are in need of a mobile truck mechanic, we encourage you to get in touch with us and explain the problem you are having for an honest outlook of what we can do for you.

Get Back on The Road Fast

Immediate Dispatch on Diesel Truck Repair

When you find yourself in need of diesel repair, our lightning-fast response times will help you get back in business as soon as possible. We make sure that we keep our service vehicles fully stocked and ready to respond to every call that comes in, which means you never have to worry about being out of commission for long. All you need to do is reach out to us with your location, and you can expect a certified mechanic at your location before long.

24-Hour Mobile Truck Repair

On top of offering convenient hours of operation, we also keep our lines open after hours to ensure that none of our customers are left stranded. No matter what time you find yourself in need of our mobile diesel mechanics, you can count on us to hop in our trucks and head to your location right away.

Efficient Repairs of Your Diesel Truck

Not only do we arrive at your location with unprecedented quickness, but we also work efficiently once we are on-site. Our trained and certified mechanics are well-versed in all areas of diesel repair, so you can rest assured that they will be able to swiftly analyze your problem and then get to work on the solution.

Premiums Tools and Replacement Parts for Diesel Repair

Don’t let the fact that we offer mobile service make you think that it impacts the quality of our work whatsoever. In fact, we put a lot of thought and consideration into the equipment we use for our mobile service and pride ourselves in providing authoritative repairs anywhere in the area. We guarantee that all of our repairs will be high performance and long-lasting, which means using our services are always worth your while.

Reliable Service for Any Diesel Truck

We have been fixing trucks for quite some time now, which has equipped us to handle anything that comes our way. Our experienced, knowledgeable diesel mechanics have everything they need to get any truck back to optimal performance.

Far-Reaching Mobile Truck Repair

We are proud to provide our mobile diesel repair in a wide service area. If you are stuck in Arlington, Grand Prairie, Irving, or any of the surrounding areas, you can count on us for a quick response. We have a thorough knowledge of the local area as well as reliable GPS technology, so you can always count on us to get to your location swiftly.


  • Seals & Bearings
  • Lights
  • Clutch Linkages/ Clutch problems
  • On-Site Roadside Service
  • Oil & Filter Changes
  • Fleet Maintenance
  • DOT Inspections
  • Medium & Heavy Duty Trucks
  • Off-Road Equipment
  • Minor Engine Repairs
  • Major Engine Repairs
  • Full Engine Rebuilding
  • Electrical Service
  • Transmission Repair
  • Hydraulics
  • A/C Service
  • Charging & Starting Services
  • State Commercial Inspections (DOT)
  • Complete Fuel Injection Services
  • Clutches
  • PTO Services
  • Brakes
  • Tune Ups
  • Fan Motors
  • Power Steering Pump

  • Maxi Chambers
  • Air Governors
  • Glad-Hands
  • Misc Leaks
  • Air & Fuel Filter
  • Landing Gear Problems
  • Out of Fuel Service
  • On-site Welding
  • Alternators
  • Starters
  • Shocks & Struts
  • Suspension Work
  • Belts
  • Trailer Lights
  • Hoses
  • Batteries & Cables
  • Brakes
  • Brake Chambers
  • Transmissions Stuck in High/Low gear
  • Diesel Truck Parts
  • Water pumps
  • Fuel Pumps
  • Jump Starts
  • Airlines

Contact us now to book an appointment!