Our technicians can perform all types of repairs. From Medium to Heavy Duty Trucks, Semi Truck, Diesel Engine Repair, Fleet Maintenance and RV Repair. We also offer 24-hour emergency roadside services. Ask about our on-site fleet maintenance programs to assist in keeping your fleet’s trucks & trailers in-service at all times..

  • Landing Gear Problems
  • Out of Fuel Service
  • On-site Welding
  • Alternators
  • Starters
  • Belts
  • Trailer Lights
  • Fleet Repair and Maintenance 
  • Water pumps
  • Jump Starts
  • Airlines
  • And Much More.

Mobile Full-Service commercial fleet maintenance and repair with 24-hour emergency roadside services. We also offer on-site fleet maintenance programs to assist in keeping your trailers in-service at all times. Our technicians can perform all types of repair, whether it is a PM service or a unit that needs more extensive repairs on-site. 
We will repair your truck in no time. Visit our facility to see why we are the best at what we do. Fleet Service Specialists 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.

We know its expensive for you to have a truck down, just because it has a tire issue. Our on-site mobile service carries a variety of tires. If its just a regular tire maintenance, schedule an appointment to bring your truck in to get your tires serviced. We have a Preventative Maintenance Service Shop for all your Tire Repairs or Replacements.Fleet Service Specialists is here to help you when you’re looking for truck tires, mechanical repairs, or mobile tire service, count on us to take care of all your needs..


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. We make every attempt to provide the fastest turnaround without sacrificing time. Customer satisfaction is our number one priority, every-time, all the time.

We are experts in determining a specific maintenance plan for each diesel vehicle. Everyday we learn something new. Something that can get your truck back on the road faster, without sacrificing time and money

We carry Computer Diagnostic tools for Heavy-Duty Trucks.  We use the same equipment as the Dealers to ensure we properly diagnosis your vehicle’s condition. You can’t fix everything with a pair of plyers and a screw driver. We invest money in our equipment and especially on our computer diagnostics. Our state of the art computer will diagnose all of your trucks’s problems.

Technology has evolved in the past 10 years and your truck has become more computer driven.  Computer diagnostics helps the technician diagnose the issues in your truck and takes the guessing out of the game.  We understand the importance of your On-Board Diagnostics. Give us a call or stop by Today.


If your brakes or hydraulics system isn’t working as it should, you put yourself in danger every time you’re on the road. Don’t risk your safety – come to us for the fast and affordable repairs you need. You can count on us to have the best parts for your truck. We carry and install Brake drums, brake shoes, brake chambers, brake air hoses, slack adjusters,  camshafts, brake hardware & brake pads.

  •  Wheel seals
  •  Wheel bearings
  •  Hub caps
  •  Pinion seals
  •  Air filters
  •   Lube filters
  •   Fuel filters
  •   Hydraulic filters
  •   Coolant filters
  •   Transmission filters

Hydraulic Hose Repair Lenoir City.

Fleet Service Specialists offers mobile hydraulic hose repair and replacement as part of our roadside services.  Whether it’s a large burst or a small leak, We are more than prepared to assist you with on-site hydraulic hose repair and replacement. All of our professional mechanics come to the job with the proper tools and knowldge. After all, we’re here to help, and we understand that the quicker a repair gets done, the quicker you can hit the road.

For more information on our hydraulic hose repair and replacement, or any of our other on-site services, give us a call at 262-745-7072 or for 24 / 7 Emergency Breakdown Services. Be sure to let us know if there is anything else we can get you when we come to repair your hydraulic hoses


Fleet Services Specialists professional technicians provide the highest quality truck air conditioning repair services. We service all truck makes and models air conditioning systems. We provide a thorough inspection of your air conditioning system to diagnose any A/C problems, and offer you a solution that in always in your best interest. We work to save you money and strive to repair A/C systems in the most quality manner.

Sometimes air conditioning problems can be as simple as a bad low-pressure sensor. Let us take a look! You’ll find that we work hard to bring you the most cost-effective solution for any diesel truck repairs, helping you save money. For the best repairs, bring your truck to a team that specialize in diesel engines, transmissions, and air brakes.

We’ll do a system diagnostics of your Heavy-Duty Truck’s Electrical System in the problem area to identify and locate the electrical malfunction.  We identify and correct electrical problems fast and efficiently for our customers.

  • Wiring Harness Inspection and Repair
  • Repair Wiring Harness Connectors
  • Switches, Relays and Solenoids
  • Repair Electrical Lighting Circuits
  • Service and Test Battery Voltage Supply Systems
  • Repair Computer Control System Component Failures
  • Service (APU) Auxillary Power Units

Will your truck not shift into gears? Are the gears slipping when you shift? Is your truck leaking fluid or will it not move at all? All of these problems indicate a transmission or clutch issue that requires service. Fleet Service Specialists can help pinpoint the problem and help avoid extensive damage to your transmission.

Transmissions are a very complex piece of machinery that requires expert attention and repair.  We have the knowledge & experience to diagnose your transmission problems, saving you time and money.


Welding and Fabrication on site for all types of repairs such as Dock ramps, Dock doors, Bumpers, fence repair, forklift and pallet jack service plus more. We provides certified qualified service to our customers. Our experience includes welding and fabrication of mild steel, cast iron, aluminum and stainless steel. We also provide machining, bending, drilling, punching, shearing, plasma cutting, pipe bending, angle/pipe/structural steel/plate rolling

We specialize in providing high quality, custom metal fabrication, certified welding and precision machining to a broad spectrum of industries. We will work closely with you to meet your specific fabrication, welding or machining needs with quick turnaround and quality customer service. We provide complete AWS-certified welding, fabricating and finishing on all types of metal materials.

We can install, service, maintain, refinish, and repair all models of liftgate. Our mechanics are qualified to diagnose and repair all structural, hydraulic, and electrical issues. We carry critical parts in stock, and can provide emergency mobile service. We guarantee customer satisfaction. Call us today and speak to an expert.
Preventative maintenance can dramatically reduce road calls and downtime.  Fleet Service Specialists offers is 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.

Fleet Repair Specialists is the one stop shop for RV, campers, and travel trailers.  Customers choose us first for RV repair needs. We use quality replacement RV parts on all of our repairs. Our ASE certified technicians combined have over 50 years of experience and pride themselves on making sure no minor detail goes overlooked during your service time.

We offer mobile RV repair, maintenance, and installation services. Our troubleshooting and RV repair service focuses on the Recreational Vehicle specialties rather than what is under the hood. We can repair, install and service all the equipment that your RV has. We carry a variety of parts so we can get your trouble solved and fixed on the spot.