OTR Fleetworx
Diesel Engine Repair • Moody, ALDiesel Engine Repair
That Keeps You Rolling
Owner-operators and fleet managers across St. Clair County trust OTR Fleetworx for honest diagnostics, quality parts, and fast turnaround. We know downtime costs money — so we don't waste yours.
Diesel Repair Services in Moody, Alabama
Engine Overhaul & Rebuild
Complete diesel engine rebuilds — Cummins, Detroit, CAT, PACCAR. In-frame and out-of-frame overhauls done right.
Brake & Suspension
Air brake service, drum and disc, S-cam, slack adjusters, shocks, springs, and full suspension diagnostics.
Electrical & Diagnostics
Check engine lights, ECM tuning, wiring harness repair, alternators, starters, and full-system diagnostics.
DOT Inspections
Annual DOT inspections to keep you compliant and on the road. We catch issues before the roadside does.
Cooling & HVAC
Radiator repair, water pump replacement, thermostat service, and A/C repair to keep your cab comfortable year-round.
Fleet Maintenance
Preventive maintenance programs for fleets of any size. Oil changes, filters, fluids, and scheduled service you can count on.
DPF & Aftertreatment
DPF cleaning, DEF system repair, EGR valve service, and SCR catalyst diagnostics to keep emissions in check.
Fuel System Service
Injector testing, fuel pump replacement, fuel line repair, and complete fuel system diagnostics for all diesel platforms.
Ready To Get Your Rig Back On The Road?
Fill out the form and we'll get back to you fast. Need help now? Hit the call button — we answer the phone.
- 2377 US-78, Moody, AL 35004
- Mon–Fri: 7AM–6PM | Sat: 8AM–2PM
- (205) 897-8183
- [email protected]
Request Service
Tell us what's going on — we'll handle the rest.
Moody, Alabama's Trusted Diesel Shop
OTR Fleetworx was built for the men and women who make a living behind the wheel. We're not a dealership with a waiting room full of coffee and excuses — we're a working shop with the tools, the talent, and the parts to get your rig fixed and back on the road.
Located right off I-20 in Moody, Alabama, we serve owner-operators, small fleets, and commercial vehicles across St. Clair County, Birmingham, Leeds, Odenville, Trussville, and Pell City. Whether it's a full engine overhaul or a quick DOT inspection, we treat every truck like our livelihood depends on it — because yours does.