Diesel Repairs, Oilfield Equipment Services, Diagnostics, and More.


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 $130/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.
fleet service of tulsa truck being repaired

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!


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.

fleet service of tulsa service shop

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.

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