Overhaul Specialists
Diesel Engine Rebuilds in Tulsa
When a diesel engine reaches the end of its service life, a full rebuild is often the most cost-effective solution. At Fleet Service of Tulsa, we specialize in diesel engine rebuilds for semi trucks, heavy-duty vehicles, and off-highway equipment. Our experienced technicians perform both in-frame and out-of-frame rebuilds at our fully equipped Tulsa campuses, ensuring maximum engine life and long-term reliability.
The Benefits
Why Choose Us for Diesel Engine Rebuilds?
Rebuilds Done Right
Rebuilding a diesel engine is a job best suited for a shop, not on the road. We complete all rebuilds at our two Tulsa campuses using industry-best tools and procedures.Expert Technicians with Deep Expertise
Our mechanics are experienced and trained in Cummins, CAT, Detroit Diesel, and more, ensuring your engine gets rebuilt to exact specifications.OEM Parts and Proven Methods
We use OEM or OEM-equivalent parts, follow manufacturer torque specs, and back our work with solid warranties.Extend the Life of Your Equipment
Rebuilding your diesel engine is often more cost-effective than replacement. We help you get more miles out of your investment.
What’s Included in a Diesel Engine Rebuild?
🔧 In-Frame Rebuild:
- Performed without removing the engine from the frame
- Replacement of pistons, liners, rings, bearings, gaskets
- Valve and injector adjustment
- Inspection of cylinder head, turbo, and camshaft
- Ideal for mid-life engines with limited wear outside the block
🔧 Out-of-Frame Rebuild:
- Engine is fully removed and disassembled
- Complete inspection and machining of block, crankshaft, and head
- All wear items replaced (oil pump, injectors, etc.)
- Suitable for high-mileage or catastrophic failures
Our team performs a full engine diagnostic before the rebuild to determine the best option for your equipment.
Rebuilds Performed at Our Tulsa Facilities
All rebuilds are performed in-shop at one of our two locations:
West Campus: On & Off Highway Services
📍 15855 East Pine Street, Tulsa, OK 74116
East Campus: Oilfield Testing & Reman
📍 17221 East Pine Street, Tulsa, OK 74116
Each facility is equipped with:
- Overhead cranes for safe engine removal
- Engine stands and precision measuring tools
- Clean workstations for internal components
- Specialized equipment for torque and alignment
Our rebuild environments are clean, organized, and optimized to deliver a factory-level result.
Engines & Equipment We Rebuild
We rebuild diesel engines for a wide range of vehicles and machines:
- Class 7 & 8 semi trucks
- Construction equipment (excavators, loaders, dozers)
- Oilfield and agricultural machines
- Municipal and service fleet vehicles
- Generators and industrial power units
Common engine brands we rebuild:
- Cummins (ISX, ISB, N14, etc.)
- CAT (C7, C13, 3406, etc.)
- Detroit Diesel (Series 60, DD13, DD15)
- Navistar / International
- PACCAR, John Deere, Perkins, and more
speed, skill, and reliability
Why Fleet Service of Tulsa?
We’re not just rebuilding engines—we’re rebuilding trust and uptime. Here’s why customers choose us:
Rebuilds done 100% in-shop for quality control
Fair quotes with no surprise charges
Skilled diesel specialists with proven rebuild experience
Two Tulsa campuses with fast turnaround
Long-term clients in construction, oilfield, and logistics
Schedule Your Diesel Engine Rebuild in Tulsa
Is your diesel engine losing compression, smoking excessively, or racking up repair costs?
Reach out online, or Call Fleet Service of Tulsa at (918) 97-FLEET to schedule an inspection and estimate for a full diesel engine rebuild. We’ll guide you through the process and perform the job in-house at one of our two Tulsa facilities.
Get back on the road—or back to work—with a rebuilt engine you can rely on.
