Menu
24/7 Diesel Repair
Hawkeye Diesel Repair provides full-service diesel repair for commercial trucks, fleets, and owner-operators across the Dallas-Fort Worth metroplex. Our shop is in Mansfield, TX (76063), and our mobile diesel repair crews reach anywhere within 1 to 1.5 hours of our location.
We service Class 6, Class 7, and Class 8 vehicles. That includes box trucks, day cabs, sleeper cabs, flatbeds, dump trucks, and 18-wheelers. If it runs on diesel, we fix it.
Hawkeye Diesel Repair performs diesel truck repair on all major commercial platforms. We work on Freightliner Cascadia, Kenworth T680, Peterbilt 579, International LT, Volvo VNL, and Mack Anthem models. Our mechanics diagnose and fix drivetrain, suspension, electrical, and aftertreatment issues.
What we repair on your truck:
Every repair starts with a visual inspection and OBD-II diagnostic scan. We identify the root cause before pulling a single wrench.
Schedule diesel truck repair in DFW or call 972-945-3183.
Hawkeye Diesel Repair specializes in diesel engine repair for Cummins, Detroit Diesel, PACCAR, and Navistar powerplants. We service engines ranging from the Cummins ISX15 and X15 to the Detroit DD13, DD15, and DD16.
Engine services we perform:
We use factory-level diagnostic tools, including Cummins INSITE, Detroit Diesel Diagnostic Link (DDDL), and PACCAR Davie4 software. These tools let us read fault codes, run forced regen cycles, and verify sensor data in real time.
Our Fort Worth diesel repair and Dallas diesel repair teams handle everything from minor tune-ups to full engine overhauls.
Hawkeye Diesel Repair dispatches mobile diesel repair units to your location anywhere in the Dallas-Fort Worth area. Our service trucks carry diagnostic laptops, air tools, hydraulic jacks rated for 25 tons, and a full inventory of common filters, belts, hoses, and fluids.
How our mobile service works:
We respond to breakdowns on I-20, I-35W, I-30, I-820, SH-360, and US-287 on a daily basis. Our mobile crews also service truck yards, distribution centers, and construction sites across Tarrant, Dallas, Denton, Parker, and Johnson counties.
Mobile diesel repair covers the same scope as in-shop service. We handle engine work, brake jobs, electrical troubleshooting, aftertreatment repair, and more at your location.
Our mobile service area covers ZIP codes 76063, 76001, 76002, 76010, 76011, 76028, 76031, 76036, 76040, 76065, 76084, 75104, 75134, 75137, 75146, 75150, 75159, and surrounding areas.
Hawkeye Diesel Repair provides 12V and 24V heavy-duty jump starts for commercial diesel trucks stranded across DFW. Class 8 trucks typically run dual Group 31 batteries wired in series to create a 24V starting circuit. These systems need 1,500 to 3,000 cold cranking amps (CCA) to turn over a high-compression diesel engine.
Our mobile units carry commercial-grade 12V/24V jump packs with spark-proof clamps and reverse polarity protection. We jump start trucks with dead batteries caused by:
After the jump, we test the charging system with a load tester to check alternator output and battery health. If the batteries test weak, we can replace them on-site with Group 31 AGM or flooded lead-acid units.
A dead battery does not have to shut down your day. Call 972-945-3183 for a fast jump start anywhere in the DFW area.
Hawkeye Diesel Repair performs roadside tire changes on commercial trucks running 22.5-inch and 24.5-inch wheel assemblies. The most common sizes we handle are 295/75R22.5, 11R22.5, and 285/75R24.5 in steer, drive, and trailer positions.
Our tire service includes:
A single flat tire on an 18-wheeler stops the entire load. Our mobile crews carry floor jacks and bottle jacks rated for axle weights up to 25,000 lbs. We get your truck rolling again, whether you are on I-35W in Fort Worth or parked at a loading dock in Dallas.
Hawkeye Diesel Repair delivers #2 ultra-low sulfur diesel (ULSD) directly to your truck when you run out of fuel on DFW roads. ULSD is the standard fuel for all 2007 and newer EPA-compliant diesel engines with DPF and SCR aftertreatment systems.
Common reasons drivers run dry:
We deliver enough fuel to get you to the nearest truck stop or fueling station. Our mobile units also carry DEF (diesel exhaust fluid) for topping off your SCR system if needed.
Running out of fuel can introduce air into the fuel system. On common-rail engines, this means you may need the system primed before the truck will restart. Our mechanics handle that process on-site.
Call 972-945-3183 for fuel delivery anywhere in the Dallas-Fort Worth service area.
Hawkeye Diesel Repair provides 24/7 lockout service for commercial diesel trucks across DFW. Semi-trucks and commercial vehicles use heavier locks, reinforced door mechanisms, and integrated security systems that standard automotive lockout tools cannot handle.
Lockout situations we respond to:
Our technicians arrive with commercial-grade lockout kits designed for heavy-duty truck cabs. We gain entry without damaging your door seals, weather stripping, or locking mechanism.
You are back in your cab fast. Call 972-945-3183 for lockout service any time, day or night.
Hawkeye Diesel Repair services air brake systems on Class 6, 7, and 8 commercial trucks. Federal FMCSA regulations require functional brakes on every axle. Brake violations are the number one reason for out-of-service orders during DOT inspections.
Brake components we service:
We adjust brakes to FMCSA stroke limits and verify pushrod travel with a calibrated gauge. Every brake job includes a full air system leak-down test.
Hawkeye Diesel Repair rebuilds and replaces manual and automatic transmissions in commercial diesel trucks. We service Eaton Fuller 10-, 13-, and 18-speed manual transmissions and Allison 3000 and 4000 series automatics.
Transmission problems we fix:
Transmission failure can sideline a truck for days. We stock common rebuild kits and clutch assemblies to keep downtime short.
Hawkeye Diesel Repair diagnoses and repairs HVAC systems in commercial truck cabs and sleeper berths. Texas summers push cab temperatures past 140 degrees when the A/C fails. That creates a safety hazard and a DOT compliance concern for sleeper berth rest requirements.
A/C services we perform:
We use electronic leak detectors and UV dye to find refrigerant leaks before recharging the system. This prevents repeat failures and wasted refrigerant.
Hawkeye Diesel Repair performs wheel alignment on steer axles and tandem drive axles at our Mansfield shop. Misalignment causes uneven tire wear, increased fuel consumption, and poor handling that strains the driver.
We set toe, camber, and caster to OEM specifications for each make and model. Proper alignment on a Class 8 truck can extend steer tire life by 30% or more and reduce rolling resistance.
Hawkeye Diesel Repair provides on-site inspections and preventive maintenance for commercial fleets based in the DFW area. We work with fleet managers to set up scheduled service intervals that match your operational pace.
Preventive maintenance includes:
Regular PM service catches small problems before they become expensive breakdowns on the road. We provide inspection reports for every unit we service.
Hawkeye Diesel Repair offers engine oil analysis as part of our preventive maintenance program. A small oil sample gets sent to a lab for testing. The lab report shows wear metal counts (iron, copper, lead, aluminum), contaminant levels (silicon, sodium, potassium), and oil condition data (viscosity, soot loading, oxidation).
Oil analysis catches internal engine wear early. It can detect a developing bearing failure, coolant leak into the crankcase, or fuel dilution before the engine suffers major damage.
This service helps fleet managers make informed decisions about rebuild timing and extends engine life between overhauls.
Hawkeye Diesel Repair operates from our Mansfield, TX shop and serves the entire Dallas-Fort Worth metroplex. Drivers, fleet managers, and owner-operators choose us because we combine deep technical skill with fast response times.
We serve drivers across Dallas, Fort Worth, Denton, Weatherford, Arlington, Grand Prairie, Midlothian, Waxahachie, Burleson, Cleburne, and all points in between.
We provide a range of trailer and truck maintenance as well as overhaul services including:
At Hawkeye Diesel Repair we focus on getting you back on the road. Our team of Certified Diesel Technicians are trained to troubleshoot and fix your diesel truck. If you are in the Dallas/Fort Worth area, give us a call today.
Stuck with a lockout? No problem. Our team will assist you 24x7.
Get prompt help with a flat tire. Our Certified Diesel Technicians will handle it quickly and get you moving.
Need a jump start? Give us a call at 972-945-3183. We carry heavy-duty jump equipment for Class 8 trucks.
No fuel? No worries. Our team will deliver diesel fuel wherever you need it.
Our Certified Diesel Technicians will diagnose and fix any problem your diesel truck is experiencing.
We have a mobile team ready 24x7 to deliver expert diesel repair services at your location.
Hawkeye Diesel Repair provides diesel engine repair, truck repair, mobile roadside service, jump starts, tire changes, fuel delivery, lockout service, brake repair, transmission work, A/C service, wheel alignment, oil analysis, and fleet maintenance. We work on Class 6, 7, and 8 commercial vehicles.
We service Freightliner, Kenworth, Peterbilt, International, Volvo, Mack, and Western Star trucks. Our mechanics work on Cummins, Detroit Diesel, PACCAR, and Navistar engines daily.
Our mobile units dispatch from Mansfield, TX (76063). Response time depends on your location and traffic conditions, but we cover the entire DFW area within 1 to 1.5 hours.
Yes. We work with fleets on bundled pricing and scheduled maintenance agreements. Call (972) 945-3183 to set up a fleet account.
Hawkeye Diesel Repair serves all of Dallas-Fort Worth, including Mansfield, Arlington, Fort Worth, Dallas, Grand Prairie, Denton, Weatherford, Midlothian, Waxahachie, Burleson, Cleburne, and surrounding cities in Tarrant, Dallas, Denton, Parker, and Johnson counties.
Come in and say hello. We are open Monday – Friday 8:00am -5:30pm and every other Saturday 8:00am -12pm
Hawkeye Diesel Repair is a mobile diesel mechanic serving the Dallas- Fort Worth metroplex. We get diesel drivers back on the road quickly and safely.
