Comprehensive Commercial Heavy-Duty Truck & Trailer Solutions
From computer engine diagnostics and precision brake overhauls to emergency 24/7 roadside assistance, explore our full spectrum of professional commercial repair services.
Detailed Breakdown of Every Service We Offer
Explore how each of our specialized maintenance solutions eliminates downtime, enhances safety compliance, and maximizes your fleet ROI.
Professional Truck Diagnostic Scanning
Accurate system scanning to identify truck faults clearly. Our shop employs dealer-level diagnostic software including JPRO Fleet Services, Cummins Insite, Detroit DDDL, PACCAR ESA, and Volvo VCADS to pull live ECU telemetry, sensor readings, and DTC fault codes from the vehicle network.
Key Service Benefits
- Pinpoints root cause in minutes instead of hours of manual trial-and-error
- Eliminates unnecessary part replacements and guesswork repair costs
- Clears active and pending fault codes and prevents future recurring faults
- Provides printed diagnostic report for fleet manager record-keeping
Common Issues Solved
- Unexplained check engine, MIL, and amber warning lamps
- Intermittent engine stalling, hard starts, and no-crank faults
- Derate mode (power reduction) and SCR system lockdowns
- ABS, traction control, and stability system fault codes
Heavy-Duty Diesel Engine Overhauls & Repair
Complete engine repair with high-quality overhaul service for all major commercial diesel platforms. Our master mechanics perform turbocharger replacements, fuel injector calibration, cylinder head overhauls, EGR cooler repairs, coolant system rebuilds, and complete engine rebuilds for Cummins ISX/X15, Detroit DD13/DD15, PACCAR MX-13, Volvo D13, and Mack MP8.
Key Service Benefits
- Restores full engine horsepower, torque output, and throttle responsiveness
- Maximizes fuel efficiency and reduces gallon-per-mile operational costs
- Eliminates check engine lights, DPF/DEF emission faults, and derated modes
- Extends engine operational lifespan by tens of thousands of additional miles
Common Issues Solved
- Turbocharger failure and loss of boost pressure under load
- Fuel injector tip failure causing excessive black smoke and rough idle
- Blown head gaskets, cylinder liner cracks, and severe coolant loss
- EGR cooler leaks causing white smoke and oil contamination
DEF System Service, Sensors & NOx Catalyst
Diesel Exhaust Fluid (DEF) system cleaning, doser valve replacement, NOx sensor calibration, SCR catalyst inspection, and DEF quality sensor servicing. We resolve all DEF-related fault codes that trigger engine derating and compliance violations across all EPA 2010+ and GHG17 compliant trucks.
Key Service Benefits
- Eliminates SCR system derate mode that reduces engine power to 55 MPH maximum
- Restores full engine power output and fuel economy after DEF fault resolution
- Ensures passing emissions compliance for roadside EPA inspections
- Prevents expensive SCR catalyst and DEF doser valve replacements through proper servicing
Common Issues Solved
- DEF quality sensor faults and incorrect fluid concentration errors
- Frozen DEF lines and pump failures in cold Indiana winters
- NOx sensor failure codes triggering engine power reduction
- DEF doser valve clogging causing SCR catalyst contamination
DPF Cleaning, Regeneration & Filter Replacement
Professional Diesel Particulate Filter (DPF) bake-and-blow cleaning, forced active regeneration, and DPF canister replacement service. We use thermal oven cleaning at 1,200°F combined with reverse pneumatic blow-out to remove soot, ash, and hydrocarbon deposits that clog DPF cells and kill exhaust flow.
Key Service Benefits
- Restores full exhaust back-pressure performance to factory specification
- Increases engine power output and eliminates regeneration warning lamps
- Prevents complete DPF canister replacement costs of $3,000–$6,000
- Extends DPF service life by 200,000–300,000 additional miles with proper cleaning
Common Issues Solved
- High DPF soot load warnings and unplanned regeneration events
- Failed active regeneration attempts causing engine power reduction
- Excessive fuel injected during parked regeneration burning extra diesel
- DPF pressure differential sensor faults indicating blocked filter cells
Transmission, Differential & Clutch Servicing
Whether your rig runs an 18-speed manual Eaton Fuller, an automated Eaton Endurant AMT, or an Allison 4500 automatic transmission, our technicians provide expert clutch adjustment, flywheel resurfacing, gear replacement, synchronizer rebuilds, and complete differential overhauls.
Key Service Benefits
- Delivers seamless gear shifting under heavy cargo loads at highway grades
- Prevents clutch slippage and costly drivetrain torque energy loss
- Eliminates gear grinding, popping out of gear, and driveline vibration
- Protects transmission internals from overheating and thermal lubrication breakdown
Common Issues Solved
- Worn clutch friction plates and sticky, stiff pedal linkage
- Differential fluid leaks and worn ring-and-pinion gear teeth
- Driveshaft u-joint binding and carrier bearing failure vibration
- Automated transmission shifter actuator fault codes and shift hesitation
Suspension Repair, Shocks & Leaf Spring Service
Suspension repair including shocks, leaf springs, and air ride bag replacement. We service complete heavy-duty steer and drive axle suspension systems including air bag spring replacement, height leveling valves, Peterbilt/Kenworth/Freightliner multi-leaf spring pack rebuilds, kingpin and bushing replacement, and front axle alignment.
Key Service Benefits
- Restores stable, predictable handling and directional control under heavy loads
- Eliminates cab vibration, rough ride, and excessive driver fatigue on long hauls
- Reduces uneven and premature tire wear caused by out-of-alignment axles
- Improves cargo protection by reducing impact shock transmission through trailer
Common Issues Solved
- Sagging air bags causing uneven trailer height and improper axle loading
- Broken or cracked leaf spring leaves causing severe handling instability
- Worn kingpins and steering knuckle bushings causing front-end wander
- Leaking shock absorbers causing excessive bouncing and poor ride quality
Cab Alignment, Interior & Exterior Bodywork
Full cab alignment plus comprehensive interior and exterior cab servicing. We repair cab mounts, door hinge alignments, windshield seals, HVAC systems, sleeper berth repairs, dashboard electrical, cab tilt mechanism maintenance, and body panel straightening to restore cab structure, safety, and operator comfort.
Key Service Benefits
- Eliminates wind noise, water leaks, and road dust intrusion into cab
- Restores proper cab tilt function for engine access and routine maintenance
- Improves driver comfort on long-haul sleeper routes with HVAC repairs
- Ensures windshield wiper, mirror, and lighting systems work reliably in all weather
Common Issues Solved
- Cab mount rubber isolator failure causing excessive cab movement and noise
- Stuck, misaligned, or non-sealing cab doors and window seals
- Defective air conditioning and heater core failures in Indiana climate
- Faulty dashboard warning gauges and instrument cluster malfunctions
Air Brake Systems, Drums, Discs & ABS
Heavy commercial vehicles demand flawless stopping power. We service complete S-cam air brake setups, disc brake calipers, air compressors, dryer cartridges, air tanks, and ABS sensors for all truck and trailer configurations. We perform official DOT brake system certification.
Key Service Benefits
- Ensures short, predictable stopping distances under heavy 80,000 lb gross loads
- Passes strict roadside DOT brake inspections without out-of-service citations
- Prevents brake fade, wheel seal leaks, and runaway trailer jackknifing
- Reduces uneven tire wear caused by dragging brake shoes or stuck calipers
Common Issues Solved
- Air compressor pressure loss and leaking brake lines causing slow build-up
- Worn brake shoes below minimum thickness and cracked brake drums
- Faulty ABS wheel speed sensors triggering anti-lock warning indicator lights
- Unbalanced automatic slack adjusters causing single-side brake dragging
Commercial Diesel Oil & Filter Change Service
Premium oil and filter replacement for heavy-duty diesel engine health. We perform complete engine oil drain, oil filter replacement, fuel filter servicing, and chassis lubrication using Shell Rotella, Delo, Mobil Delvac, and other premium API CK-4 and FA-4 rated heavy-duty engine oils appropriate for your specific engine platform.
Key Service Benefits
- Extends diesel engine lifespan significantly with clean lubrication intervals
- Reduces engine bearing and cylinder wear that leads to premature overhaul
- Improves cold-weather cold-start protection in Indiana's freezing winters
- Removes soot-laden oil contamination that accelerates internal engine damage
Common Issues Solved
- Overdue engine oil service causing excessive engine wear and oil consumption
- Dirty fuel filters restricting fuel flow and causing engine power loss
- Soot-contaminated oil turning thick and viscous at low temperatures
- Oil leaks from degraded filter housing O-rings and drain plug gaskets
Commercial Electrical, Battery & Wiring Solutions
Full electrical inspection including lights, sensors, alternators, and starters. Modern trucks rely on complex CAN-bus electrical networks. Our shop diagnoses battery drain, failing high-output alternators, starter motor burnouts, damaged lighting harnesses, corroded trailer plugs, and malfunctioning sensor circuits.
Key Service Benefits
- Ensures instant engine starting in cold Midwest winter conditions
- Provides bright, reliable LED lighting for night driving safety compliance
- Protects delicate ECU microprocessors from voltage spikes and shorts
- Prevents intermittent electrical shorts that cause unexpected engine shutdowns
Common Issues Solved
- Dead battery banks and faulty alternator voltage regulators
- Corroded 7-way trailer cords and non-functioning brake tail lights
- Blown main fuses and damaged wiring harnesses causing system failures
- Faulty ignition switches and starter solenoid failures causing no-crank
New & Used Tires, Mounting & Wheel Alignment
New and used tires with precise wheel alignment work for commercial trucks and trailers. We stock major commercial tire brands and perform complete tire mounting, balancing, valve stem replacement, and professional 4-wheel alignment using laser alignment equipment to maximize tread life and fuel economy.
Key Service Benefits
- Maximizes tire tread life and reduces cost-per-mile tire expenditure
- Improves wet-weather traction and reduces hydroplaning risk at highway speeds
- Eliminates steering pull, cupping, and vibration caused by misalignment
- Ensures balanced load distribution across all drive and trailer axles
Common Issues Solved
- Rapid, uneven tire wear caused by improper toe, camber, or thrust angle
- Low tread depth tires below DOT minimum legal limit of 4/32" for drive axles
- Bulging sidewall tires at risk of blowout under heavy highway loads
- Persistent steering wheel pull caused by misaligned front steer axle
Trailer Repair, Liftgate & Bodywork Specialists
Trailers absorb immense road vibration and structural stress over their lifespan. We perform aluminum and steel frame welding, roof patch repairs, floorboard replacements, door alignment, landing gear rebuilds, liftgate hydraulic pump repairs, reefer unit servicing, and slider pin adjustments.
Key Service Benefits
- Keeps dry van and refrigerated freight completely weatherproof and secure
- Ensures smooth liftgate hydraulic operation for last-mile urban deliveries
- Eliminates slider tandem lock pin jamming during axle weight balancing
- Prevents cargo damage from leaking roofs, rotted floor planks, or broken doors
Common Issues Solved
- Damaged aluminum trailer side panels and cracked roof seam leaks
- Liftgate hydraulic hose leaks and cylinder pressure failure
- Bent landing gear legs and stripped crank handles preventing drop-and-hook
- Worn trailer axle hub seals causing grease contamination on brake linings
24/7 Mobile Emergency Highway Assistance
When your truck breaks down on I-65, US-31, or local routes in Central Indiana, our fully equipped mobile service vehicles arrive quickly with diagnostic tools, replacement batteries, air hoses, belts, and tire repair equipment to get you moving again fast.
Key Service Benefits
- Minimizes roadside downtime with rapid mobile dispatch averaging under 60 minutes
- Eliminates expensive long-distance heavy towing charges when on-site repair is possible
- Keeps drivers safe with professional high-visibility mobile service protocols
- Resolves fuel delivery issues, air line blowouts, and dead batteries on the spot
Common Issues Solved
- Blown serpentine belts and burst upper/lower radiator coolant hoses
- Frozen air lines and clogged primary fuel filters in extreme cold weather
- Dead starter batteries in remote truck stops and staging areas
- Blown trailer air ride bags and wheel seal leaks grounding the unit
Preventive Maintenance Schedules & DOT Inspections
Comprehensive preventive maintenance (PM) programs and official annual federal DOT safety inspections for commercial trucks and trailers. We build customized PM schedules based on mileage, engine hours, and OEM maintenance guides to keep your fleet in peak condition year-round.
Key Service Benefits
- Prevents unexpected breakdowns that cost far more than routine maintenance
- Provides official federal DOT inspection certificates and safety compliance decals
- Extends the operational lifespan of all major drivetrain and chassis components
- Creates detailed digital maintenance records for fleet management and FMCSA audits
Common Issues Solved
- Overdue PM services causing accelerated wear across multiple vehicle systems
- Missing annual DOT inspection certificates triggering roadside out-of-service orders
- Undetected fluid leaks and worn components causing mid-route failures
- Lack of maintenance documentation during FMCSA compliance safety audits
Our 5-Step Heavy Repair Process
A streamlined, systematic workflow designed to eliminate diagnostic errors, ensure complete price transparency, and minimize turnaround time.
Rapid Diagnostic Assessment
Computerized scanner hooks into the truck ECU to pull fault codes, measure live telemetry, and pinpoint root technical causes.
Transparent Itemized Quote
Clear estimate covering required parts, labor hours, turnaround timeline, and OEM warranty details for manager approval.
Precision Repair Execution
Master diesel mechanics install heavy-duty replacement components following strict OEM torque standards and procedures.
Quality Assurance & Road Testing
Multi-point inspection, leak pressure tests, and simulated highway load testing to verify flawless operational performance.
Final Delivery & Return to Service
Detailed work logs provided, digital records archived, and your commercial rig is cleared to return safely to the highway.
Industries & Fleet Types We Support
Tailored maintenance contracts and emergency repair capabilities tailored to the unique operational demands of diverse transportation sectors.
Over-The-Road (OTR) Carriers
Long-haul interstate freight fleets requiring fast turnaround times, engine diagnostics, and coast-to-coast reliability.
Regional Logistics & Warehousing Fleets
Daily delivery trucks, day cabs, and trailers serving Midwest distribution centers with preventative maintenance.
Construction & Utility Heavy Equipment
Dump trucks, flatbeds, hydraulic boom trucks, and heavy haulers operating in harsh job-site conditions.
Agricultural & Food Transport
Refrigerated trailers (reefers), grain haulers, and livestock transport requiring strict temperature and timing controls.
Frequently Asked Questions
Find quick answers regarding our service shop policies, emergency roadside dispatch, diagnostic capabilities, and fleet maintenance options.
Need Fast & ReliableTruck Repair Services?
Whether you're dealing with an unexpected breakdown or need scheduled repairs, our experienced technicians are ready to get you back on the road quickly and safely.