Fleet Service of Tulsa

Locally Owned

Serving Oklahoma for over 25 years, Fleet Service of Tulsa is the most trusted company for on highway diesel repairs, off highway hydraulic repairs, and oilfield testing and remanufacturing. Locally owned, we treat your vehicle or fleet like we would our own and treat you the way we want to be treated.


The oilfield and diesel repair industry is known for its lack of urgency and timeliness. Our teams are cross trained for rapid repairs to get your vehicle, fleet, or equipment up and running, back on the road, and making money.


Fleet Service of Tulsa works hard to keep overhead low to pass on the savings to you, while not sacrificing quality. Because of our buying power, we offer price breaks on parts and on average we charge 30% less than our competitors labor rates. Dealerships typically charge labor rates of $140/hour vs. our $110/hour rate.

Factory Trained

Coming to Fleet Service of Tulsa for your diesel repairs is like sending your equipment directly to the manufacturers. The only difference? With our factory-trained team, you’ll receive the care and communication of a small and streamlined operation with all the expertise you’d get from the huge manufacturers.

Diagnostic Software for All Makes & Models

Are you having trouble with your diesel truck or engine? Fleet Service of Tulsa has the diesel diagnostic software for all makes and models to help you accurately diagnose what is wrong with your vehicle.

We Fix Everything

When it comes to on highway repairs, we cover the entire spectrum of diesel vehicles. From standard F150s up to Class 8 trucks, we can handle overhauls, transmissions, clutches, rear-ends, brakes, air conditioning, tires, wiper blades, and more.

Who We Are

Originally founded by two DOWELL mechanics, Fleet Service of Tulsa has grown immensely over the past twenty-six years. Under the leadership of Steve Walter, a prominent figure in the Oilfield Servicing Industry, Fleet Service of Tulsa has expanded its capabilities across two sprawling campuses with an all-star team of factory-grade technicians and decades of deep industry experience.


Our Services


24/7 Indoor Testing Facility

This may not seem like a huge bonus at first glance, but bringing our entire testing operation indoors means we can work on your heavy equipment repairs longer and get them completed faster. No frozen pipes, no weather delays, and maximized repair and replacement efficiency. Did we mention we can test up to five pieces of equipment at one time?


All Major Brands and Suppliers, and Many More!

  • Great place I enjoyed doing work for these folks while working for weir .

    rob r. Avatar
    rob r.
  • Love Billy and his staff. Very friendly, helpful and professional. Would recommend to anyone for diesel repair.

    Valerie B. Avatar
    Valerie B.
  • The team at Fleet Service of TULSA has ALWAYS taken such great care of our fleet vehicles! They treat people with respect and are very professional. I take a lot of pride in finding a good, honest mechanic and these guys have never let us down! So happy to do business with Fleet Service! Great job!

    Adam S. Avatar
    Adam S.
  • Every time I've used this place for tires For my big truck I've been very impressed. They get me in and out very quickly and do a great job fixing or replacing my bad tire(S).

    Frankie R. Avatar
    Frankie R.
  • They went above and beyond to help me get back on the road.

    John L. Avatar
    John L.
  • Our truck broke down close to this shop on a Mon and Billy told us he may not get to us till Wed. We got a motel room expecting to stay the week. They got us up and running by Wed and even fixed our broken food handle. True professionals! And the entire staff was friendly and helpful. Couldn't reccomend this shop enough!!

    Sandra O. Avatar
    Sandra O.
  • These guys always try to get our trucks up and running ASAP. They give progress reports and don't mind pop in visits. I will continue to use them moving forward.

    Mike R. Avatar
    Mike R.
  • We take our buses here to get worked on and they do a great job and the turnaround on getting our buses back is really good!

    Jason S. Avatar
    Jason S.

For Over 25 Years

Fleet Service of Tulsa has been providing Oilfield Remanufacturing and Testing, and Diesel Repair Services since 1993. As a locally owned company, we strive to make customer service, and affordability our top priorities. These reviews speak of our commitment to helping our clients get back on the job as fast as possible.

On & Off Highway Repair

Our facility is equipped with nineteen different diagnostics software which enables us to interface with all of the big brands, such as Ford, International, Cummins, Caterpillar, Detroit Diesel, and much more. From your F150s, to your medium-duty trucks, all the way up to your eighteen wheelers, Fleet Service of Tulsa offers a comprehensive toolbox of services.

Oilfield Testing & Remanufacturing

Fleet Service of Tulsa has the capability to test and remanufacture your complete line of oilfield equipment and can rebuild engines, transmissions, generators, and all components of individual units of equipment, as well as manufacture one-off specialized components to meet state and federal regulations where oilfield and gas compression equipment is put into service.

Diesel Engine Rebuilds & Repair

Regardless of your maintenance frequency, Fleet Service of Tulsa will always have a bay available and ready for your repair. But don’t blink: we get engines and transmissions repaired and rebuilt lightning-fast. All of our technicians have extensive factory backgrounds, giving our team an edge when it comes to getting jobs done quickly and efficiently.

Schedule a Service

Customer service is a priority for Fleet Service of Tulsa
and we will promptly get back with you.